Sam executes the following program segment and the answer displayed is zero irrespective of any non zero values are given. Name the error. How the program can be modified to get the correct answer?

void triangle(double b, double h)
{	
    double a; 
    a = 1/2 * b * h;
    System.out.println("Area=" + a);	
}	

How many times will the following loop execute? What value will be returned?

int x = 2;
int y = 50;
do{
++x;
y -= x++;
}
while(x <= 10);
return y;

Name any two jump statements.

Predict the output of the following code snippet:

String a = "20";
String b = "23";
int p = Integer.parseInt(a); 
int q = Integer.parseInt(b); 
System.out.print(a + "*" + b);