Script :
import javax.swing.*;
public class tugas_bintang1 {
public static void main (String[] args) {
int x;
x=Integer.valueOf(JOptionPane.showInputDialog(“Masukan banyak bintang
?”));
for (int i=1;i<=x;i++) {
for (int j=1;j<=x;j++) {
if (j<=i)
System.out.print(“*”);
else
System.out.print(” “);
}
System.out.println();
}
}
}

Contoh 2.


Script :
import javax.swing.*;
public class tugas_bintang2 {
public static void main (String[] args) {
int baris,x,y;
baris=Integer.valueOf(JOptionPane.showInputDialog(“Masukan banyak
bintang ?”));
x=baris+1;
for (int i=1;i<=baris;i++) {
for (int j=1;j<=baris;j++) {
y=i+j;
if (y<=x)
System.out.print(“*”);
else
System.out.print(” “);
}
System.out.println();
}
}
}
Contoh 3.


Script:
import javax.swing.*;
public class tugas_bintang3 {
public static void main (String[] args) {
int baris,x,y;
baris=Integer.valueOf(JOptionPane.showInputDialog(“Masukan banyak
bintang ?”));
x=baris+1;
for (int i=1;i<=baris;i++) {
for (int j=1;j<=baris;j++) {
y=i+j;
if (x<=y)
System.out.print(“*”);
else
System.out.print(” “);
}
System.out.println();
}
}
}
Contoh 4.


Script:
import javax.swing.*;
public class tugas_bintang4 {
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();
}
}
}
Contoh 5.


Script:
public class tugas_bintang5 {
public static void main (String[] args) {
int baris,m;
for (int i=1;i<=7;i++) {
if(i<5) {
for (int j=1;j<=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();
}
}
}
Contoh 6.


Script:
public class tugas_bintang6 {
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 ();
}
}
}

Contoh Program Java Pengulangan (Looping)

Contoh Program Java Pengulangan (Looping) 
Contoh 1.

Script :
import javax.swing.*;
public class tugas_bintang1 {
public static void main (String[] args) {
int x;
x=Integer.valueOf(JOptionPane.showInputDialog(“Masukan banyak bintang
?”));
for (int i=1;i<=x;i++) {
for (int j=1;j<=x;j++) {
if (j<=i)
System.out.print(“*”);
else
System.out.print(” “);
}
System.out.println();
}
}
}

Contoh 2.


Script :
import javax.swing.*;
public class tugas_bintang2 {
public static void main (String[] args) {
int baris,x,y;
baris=Integer.valueOf(JOptionPane.showInputDialog(“Masukan banyak
bintang ?”));
x=baris+1;
for (int i=1;i<=baris;i++) {
for (int j=1;j<=baris;j++) {
y=i+j;
if (y<=x)
System.out.print(“*”);
else
System.out.print(” “);
}
System.out.println();
}
}
}
Contoh 3.


Script:
import javax.swing.*;
public class tugas_bintang3 {
public static void main (String[] args) {
int baris,x,y;
baris=Integer.valueOf(JOptionPane.showInputDialog(“Masukan banyak
bintang ?”));
x=baris+1;
for (int i=1;i<=baris;i++) {
for (int j=1;j<=baris;j++) {
y=i+j;
if (x<=y)
System.out.print(“*”);
else
System.out.print(” “);
}
System.out.println();
}
}
}
Contoh 4.


Script:
import javax.swing.*;
public class tugas_bintang4 {
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();
}
}
}
Contoh 5.


Script:
public class tugas_bintang5 {
public static void main (String[] args) {
int baris,m;
for (int i=1;i<=7;i++) {
if(i<5) {
for (int j=1;j<=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();
}
}
}
Contoh 6.


Script:
public class tugas_bintang6 {
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 ();
}
}
}

Thanks for reading & sharing Kamar Pekick