Java tutorial+java project+java database
class demo
{
public static void main(String arg[])
int i,j,a=1;
for(i=1;i<=5;i++)
for(j=1;j<=i;j++)
System.out.print(a+" ");
a++;
}
System.out.println();
/*
1
2 3
4 5 6
7 8 9 10
11 12 13 14 15 */
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