Pola piramid 1
*
***
*****
*******
*********
case 1
public class piramid1 {
public static void main(String [] args){
int x=5;
for (int i=1;i<=5;i++){
for(int j=4;j>=i;j--){
System.out.print(" ");
}
for(int k=1;k<=i;k++){
System.out.print("*");
}
for (int l=1;l<=i-1;l++){
System.out.print("*");
}
System.out.println();
}
}
}
Pola piramid2
*********
*******
*****
***
*
case 2
public class piramid2 {
public static void main(String [] args){
for (int i=1;i<=5;i++){
for(int j=1;j<=i;j++){
System.out.print(" ");
}
for(int z=5;z>=i;z--){
System.out.print("*");
}
for(int k=4;k>=i;k--){
System.out.print("*");
}
System.out.println("");
}
}
}
Pola piramid setengah
*
**
***
****
*****
case 3
public class piramid3 {
public static void main(String [] args){
int x=5;
for (int i=1;i<=5;i++){
for(int j=1;j<=i;j++){
System.out.print("*");
}
System.out.println();
}
}
}
Pola piramid setengan
*
**
***
****
*****
case 4
public class piramid4 {
public static void main(String [] args){
int x=5;
for (int i=1;i<=5;i++){
for(int j=4;j>=i;j--){ //spasi
System.out.print(" ");
}
for(int k=1;k<=i;k++){ //bintang
System.out.print("*");
}
System.out.println();
}
}
}
Pola belah ketupat #
#
###
#####
###
#
case 5
public class piramid5 {
public static void main(String[]args){
System.out.println("");
System.out.println("");
int l = 1;
int tingkat = 5;
int n = 7/2;
for(int i=1;i<=n;i++){
for(int k=n;k>i;k--){
System.out.print(" ");
}
for(int j=1;j<=l;j++){
System.out.print("#");
}
l+=2;
System.out.println("");
}
l -= 4;
for(int i=(n-1);i>=1;i--){
for(int k=i;k<=(n-1);k++){
System.out.print(" ");
}
for(int j=l;j>=1;j--){
System.out.print("#");
}
l-=2;
System.out.println("");
}
}
}
Pola silang bilangan X
* *
* *
*
* *
* *
case 6
import java.util.Scanner;
public class silang_bintang {
public static void main(String[] args) {
Scanner DataIn = new Scanner(System.in);
System.out.print("Masukkan Angka : ");
int sisi = DataIn.nextInt();
char cetak[][] = new char[sisi][sisi];
for (int b = 0; b < sisi; b++) {
for (int k = 0; k < sisi; k++) {
if (b == k || b + k == sisi - 1) {
cetak[b][k] = '*';
} else {
cetak[b][k] = ' ';
}
System.out.print(cetak[b][k]);
}
System.out.println();
}
}
}
