int in java

int

int i; 
int j;
int k;
i = 10;
j = 20;
k = 30;
if(i == 10)
{
System.out.print("10");
}
else if(j == 20)
{
System.out.print("20");
}
else (k == 30)
{
System.out.print("30");
}