import javax.swing.*;
public class Main {
public static void main(String[] args) {
int baris;
baris=Integer.valueOf(JOptionPane.showInputDialog("Masukan banyak bintang ?"));
for (int i=1;i<=baris;i++) {
for (int j=1;j<=baris;j++) {
if (i<=j)
System.out.print("*");
else
System.out.print(" ");
}
System.out.println();
}
}
}
package classtugas_bintang5;
public class Main {
public static void main(String[] args) {
int baris,m;
for (int i=1;i<=7;i++) {
if (i<5) {
for (int j=1;i<=4;j++) {
if (j<=i)
System.out.print("*");
else
System.out.print(" ");
}
}
else {
for (int j=1;j<=4;j++) {
m=i+j;
if (m<=8)
System.out.print("*");
else
System.out.print(" ");
}
}
System.out.println();
}
}
}
package classtugas_bintang6;
public class Main {
public static void main(String[] args) {
int baris,m,x,y,n;
for (int i=1;i<=7;i++) {
if (i <=4) {
for (int j=1;j<=7;j++) {
if (j<=4) {
m=i+j;
if (5<=m)
System.out.print("*");
else
System.out.print(" ");
}
else {
x=j-3;
if (x<=i)
System.out.print("*");
else
System.out.print(" ");
}
}
}
else
for (int j=1;j<=7;j++) {
if (j<=4) {
y=i-3;
if (y<=j)
System.out.print("*");
else
System.out.print(" ");
}
else {
x=j-3;
y=i-3;
n=x+y;
if(n<=5)
System.out.print("*");
else
System.out.print(" ");
}
}
System.out.println();
}
}
}
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