Java tutorial+java project+java database
class demo
{
public static void main(String arg[])
int i,j;
for(i=1;i<=5;i++)
for(j=1;j<=i;j++)
if(j%2!=0)
System.out.print(1);
}
else
System.out.print(0);
System.out.println();
/*
1
10
101
1010
10101 */
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