Nested For Loop - Print Out Table Of Angles (sin / Cos And Tan)

Oct 1, 2014

I am working on my java program it prints out a table of angles and the sin, cos, and tan. For extra credit he wanted us to use nest loops to create a space after every five lines. I have come real close to getting this to work but have a problem with the very end of the table. The table needs to stop at 180...

public static void printTable(double angle,double sin,double cos,double tan) { // Method to create a table for the values
for (double j = 0; j <= 180;) {
for (double i = 1; i <= 5; i++) {//loop to print five lines of code
angle = Math.toRadians(j);

[Code] .....

Here is the end of the output of the table:

175.00.0872-0.9962-0.0875
176.00.0698-0.9976-0.0699
177.00.0523-0.9986-0.0524
178.00.0349-0.9994-0.0349
179.00.0175-0.9998-0.0175
 
180.00.0-1.00.0
181.0-0.0175-0.99980.0175
182.0-0.0349-0.99940.0349
183.0-0.0523-0.99860.0524
184.0-0.0698-0.99760.0699

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How To Make A Table That Prints Out Sin / Cos / Tan For Angles

Sep 30, 2014

I am stuck and having a problem trying to find what i believe is a simple fix but can't wrap my head around it. For class I needed to make a table that prints out Sin,Cos,Tan for angles in steps of 5 to 180. The problem is in my output with the first couple lines of the table. for angle 5.0 the Sin(.0872) Cos(.9962) and Tan (.0875) are being displayed on the angle line 10.0

public class TrigTable {
public static void main(String[] args) {
double angle = 0;
double sin =0;
double cos = 0;
double tan = 0;
 
System.out.println("Angle Sin Cos Tan"); // Table header for the values

[Code] ....

Here is the first couple lines of output:

Angle Sin Cos Tan
----- --- --- ---
0.0 0.0 1.0 0.0
5.0 0.0 1.0 0.0
10.0 0.0872 0.9962 0.0875
15.0 0.1736 0.9848 0.1763
20.0 0.2588 0.9659 0.2679

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Apr 5, 2014

just trying to learn it on my spare time and I'm doing do-while loops

public class help {
public static void main (String args[])
throws java.io.IOException {
char choice, ignore;
do{
System.out.println ("Choose one:");
System.out.println("1. if");
System.out.println("2.switch");
 
[code]....

It makes no difference in the program wither i delete this block or keep it..how while (choice < '1'| choice >'2'); translates? I would assume it would be while (choice >= '1'| choice =<'2');?

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Dec 17, 2013

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public class number4
{ public static void main(String[] args)
{
for(int a=1; a<=4; a++)
{
for(int b=1; b<=4; b++)
{

[Code]...

my program also prints out 2 2 2. but i'm not allowed to do that. how can I stop it from printing 2 2 2 ?

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Mar 6, 2015

Here's what "Why doesn't this work?" question. It concerns a small method which is part of a card game.

I'm trying to check a condition from a section of an array, without a predetermined number of times any given call to this method will require a check. How much of the array I'm checking could vary greatly.

Is it at all possible to nest a for loop yielding a variable number of boolean && conditions inside an if? Am I just missing the right bracketing or is this nesting (if that's the word) even possible in the language?

To clarify, below is broken code. Compiler isn't letting me accomplish this goal as I envision it.

public boolean isFlanking() {
boolean f;
int reach = Math.abs(selectorX - targetX);
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[Code] ....

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May 21, 2014

//Main method
public static void main(String args[])throws IOException{
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while (runProgram){

[code].....

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Oct 12, 2014

int count = 0;
for (int x = 0; x < 3; x++)
for (int y = x; y < 3; y++)
for (int z = y; z < 3; z++)count++;

What is the value of count after the code segment is executed?

The answer is 9, but I don't really understand how this answer was derived.

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Nov 5, 2014

for (int i = 0; i < 4; i++)
{
for (int k = 0; k < i; k++)
{
System.out.print(" ");
}

for (int j = 4; j > i; j--)
{
System.out.print("$");
}
System.out.println();
}

I was told that the answer when this code segment is printed look's like this:
$$$$
$$$
$$
$

Here's what I did:Looking at the outer for loop, (i) 0 < 4 so I went into the first inner nested loop. (k) 0 is not less than (i) 0 so I went to the 2nd inner nested loop and found that it worked, and I was able to repeat this loop 3 more times and then I exited the loop and printed the line out (giving me the first line of four $). I then went back to the outer for loop, increased i by 1 and (i) 1 < 4 so I went to the 1st inner nested loop. I used the 0 for the k first and (k) 0 < 1 so I printed out a space (now here's where I get lost) I then incremented k by 1, so k = 1, but 1 is not less than 1 (i) and so I moved on to the next nested for loop. So when this line is printed, I'll only have one space when there should be 4.

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Oct 12, 2014

int count = 0;
for (int x = 0; x < 3; x++)
for (int y = x; y < 3; y++)
for (int z = y; z < 3; z++)
count++;

What is the value of count after the code segment is executed?

The answer is 9, but I don't really understand how this answer was derived.

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May 20, 2014

I'm having trouble figuring out the Big-O notation for this loop. For now I only have it in pseudocode. I hope you understand it anyway

for i = 1 to n do
j = 1
while j <= n/2 do
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j = j + 1
end while
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int[] array=new int[7]
array[0]=2;
array[1]=3;
array[2]=4;

now what I want to do is print these three numbers in a loop so that my array[3]=2;array[4]=3;array[5]=4 ...... till the last one. Also the array could be any size and not just 7.

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#
##
###
####
#####
######
#######
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//method class
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[Code]...

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Feb 13, 2014

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for (String level : levels)
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Note:

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Jan 19, 2015

I built a java code to print the following pattern using nested loop:

1 2 3 4 5 6 7 8 7 6 5 4 3 2 1
1 2 3 4 5 6 7 6 5 4 3 2 1
1 2 3 4 5 6 5 4 3 2 1
1 2 3 4 5 4 3 2 1
1 2 3 4 3 2 1
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And here is my code

public static void main(String[] args) {
for(int i=1; i<=8;i++)
{
for(int k=1;k<=i;k++)
{
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[Code] .....

which gives the partially true output:

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I'm writing a program to print an ASCII image using nested for loops. The output is a rocket ship that looks like this.

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//**
///**
////**\
/////**\
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|//////|
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|.//..//.|
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|../..../..|
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///**
////**\
/////**\

I'm having problems with the mid section of the rocket, specifically the bottom part of the mid section:

|../..../..|
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I'm having difficulty writing the for loop to correctly print the dots. You're supposed to incorporate a constant which allows you to adjust the size of the overall figure. The loop doesn't work when I adjust the size, only when the value of HEIGHT is 3. The loop, however, for some reason works with the top part of the mid section.

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This is the for loop for the bottom section.

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Usually reversing the iteration of the loop just requires flipping the conditions, right? But it didn't work this time for some reason. Why this doesn't work? I can post the code to my entire program for compiling.

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Jan 23, 2015

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Update output: Works as expected.

Java Code:

import java.util.Scanner;
import java.util.ArrayList;
public class PrimeFactors
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[code]....

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CinemaAppMain
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[Code]....

I am trying to get the movie name and theatre title from their ArrayList, and I know I need to go through the movie list & theatre list to find their name & title, and compare it with the user input and print out the result.

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1
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1 2 4 8 16 8 4 2 1
1 2 4 8 16 32 16 8 4 2 1
1 2 4 8 16 32 64 32 16 8 4 2 1
1 2 4 8 16 32 128 64 32 16 8 4 2 1

I managed to make the pyramid using addition. However, how to turn it into multiplication x 2.

import java.util.*;

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public static void main(String[] args) {
int odd = 1;
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[code]....

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*****.........*****
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*****.........*****
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I've made my loop, but I am unable to get more then a 1 1 1 checkerboard properly. I am stuck on how to divide the filler characters to make the proper square size. As of now they are all one lined.

import java.util.*;
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int col, row, size; char filler;
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-----1-----
----333----
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Now I have to write a method called printDesign that produces the following output but i am not even entirely sure how to start it out now of course i know how to make a for-loop but and i guess if i was to do something for this i would do this .....

Java Code:

for(int*j=0;j<N-k;j++){
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System.out.print(i);*
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Four experiments are performed, each consisting of six tests. The number of test results for each experiment is entered by the user. Write a Java program using a nested loop to compute and display the average of the test results for each experiment.

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Oct 14, 2014

This is my program

import java.util.Scanner;
import java.text.DecimalFormat;
public class Lab6 {
public static void main(String[] args) {
int F;
double C = 0;

[Code] ......

output

0 1 2 3 4 5 6 7 8 9
0 degree Fahrenheit equal to :-00.00 degree Celsius
1 degree Fahrenheit equal to :-00.00 degree Celsius
2 degree Fahrenheit equal to :-00.00 degree Celsius
3 degree Fahrenheit equal to :-00.00 degree Celsius
4 degree Fahrenheit equal to :-00.00 degree Celsius
5 degree Fahrenheit equal to :-00.00 degree Celsius
6 degree Fahrenheit equal to :-00.00 degree Celsius
7 degree Fahrenheit equal to :-00.00 degree Celsius
8 degree Fahrenheit equal to :-00.00 degree Celsius
9 degree Fahrenheit equal to :-00.00 degree Celsius

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Oct 23, 2014

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3 4000 16000 12000
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