No.1
public class One {
public static void main(String[] args) {
int a,b;
for (a=8;a>=1; a--){
for (b=1; b<=a; b++){
System.out.print(a);
}
System.out.println();
}
}
No.2
public class One {
public static void main(String[] args) {
int a,b;
for (a=8;a>=1; a--){
for (b=1; b<=a; b++){
System.out.print(a);
}
System.out.println();
}
}
No.2
package tugas;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.IOException;
public class Nilai_Rata2_BufferedReader {
public static void main(String [] args){
String n="", m="", o="";
try{
System.out.print("Masukkan angka pertama = ");
x = input.readLine();
System.out.print("Masukkan angka kedua = ");
y = input.readLine();
System.out.print("Masukkan angka ketiga = ");
z = input.readLine();}
catch (IOException e){}
int bil1, bil2, bil3, rata;
bil1 = Integer.parseInt(x);
bil2 = Integer.parseInt(y);
bil3 = Integer.parseInt(z);
rata = (bil1 + bil2 + bil3)/3;
System.out.println("Rata-rata nilai Anda: "+ rata);
if (rata >= 60){System.out.println(":-)");
}
else {
System.out.println(":-("); }
}
}