printStars1(); System.out.println(); printStars2(); System.out.println(); printS
ID: 3634745 • Letter: P
Question
printStars1();System.out.println();
printStars2();
System.out.println();
printStars3();
System.out.println();
printStars4();
System.out.println();
printStars5();
}
public static void printStars1()
{
for (int i = 1; i < 4; i++)
{
for (int j = 0; j < i; j++)
System.out.print("*");
System.out.println();
}
}
public static void printStars2()
{
for (int i = 4; i > 1; i--)
{
for (int j = 1; j < i; j++)
System.out.print("*");
System.out.println();
}
}
public static void printStars3()
{
for (int i = 1; i < 4; i++)
{
for (int j = i; j > 0; j--)
System.out.print("*");
System.out.println();
}
}
public static void printStars4()
{
for (int i = 1; i < 4; i++)
{
for (int j = 0; j < 4 - i; j++)
System.out.print("*");
System.out.println();
}
}
public static void printStars5()
{
for (int i = 1; i < 4; i++)
{
for (int j = 1; j < i; j++)
System.out.print(" ");
for (int j = 0; j < 4 - i; j++)
System.out.print("*");
System.out.println();
Explanation / Answer
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import java.util.*;
public class diamond {
public static void main(String[] args) {
printStars1();
System.out.println();
printStars2();
System.out.println();
printStars3();
System.out.println();
printStars4();
System.out.println();
printStars5();
}
public static void printStars1()
{
for (int i = 0; i < 1; i++)
{
System.out.print("*");
System.out.println();
}
}
public static void printStars2()
{
//printing of diamond top
for (int i = 1; i <= 2; i++)
{
for (int j = 0; j < 2-i; j++)
System.out.print(" ");
for ( int j = 1; j < 2*i; j ++)
System.out.print("*");
System.out.println();
}
//printing of diamond bottom
for (int i = 1; i > 0; i --){
for (int j = 0; j < 2 - i ; j++)
System.out.print(" ");
for (int j = 1; j< 2*i; j++)
System.out.print("*");
System.out.println();
}
}
public static void printStars3()
{
//printing of diamond top
for (int i = 1; i <= 3; i++)
{
for (int j = 0; j < 3-i; j++)
System.out.print(" ");
for ( int j = 1; j < 2*i; j ++)
System.out.print("*");
System.out.println();
}
//printing of diamond bottom
for (int i = 2; i > 0; i --){
for (int j = 0; j < 3 - i ; j++)
System.out.print(" ");
for (int j = 1; j< 2*i; j++)
System.out.print("*");
System.out.println();
}
}
public static void printStars4()
{
//printing of diamond top
for (int i = 1; i <= 4; i++)
{
for (int j = 0; j < 4-i; j++)
System.out.print(" ");
for ( int j = 1; j < 2*i; j ++)
System.out.print("*");
System.out.println();
}
//printing of diamond bottom
for (int i = 3; i > 0; i --){
for (int j = 0; j < 4 - i ; j++)
System.out.print(" ");
for (int j = 1; j< 2*i; j++)
System.out.print("*");
System.out.println();
}
}
public static void printStars5()
{
//printing of diamond top
for (int i = 1; i <= 5; i++)
{
for (int j = 0; j < 5-i; j++)
System.out.print(" ");
for ( int j = 1; j < 2*i; j ++)
System.out.print("*");
System.out.println();
}
//printing of diamond bottom
for (int i = 3; i > 0; i --){
for (int j = 0; j < 5 - i ; j++)
System.out.print(" ");
for (int j = 1; j< 2*i; j++)
System.out.print("*");
System.out.println();
}
}
}
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