java new notes repitition constructs

for(_;_;_)
{
//do something
}
*************************************
for(int;=0; i<10;i++)
{
System.out.println("i is " + i);
}
**************************************
while(true)
{
//do something
}
**************************************
int i=o
while(i<10)
{
system.out.print("i is " + i);
}