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The Java Language CS 161 - Java

Fill in the blanks

Source: examples/Example1.java



/** Examples of operations on primitive Java data types
**/
 
public class Example1 {
 
public static void main (String [] args ) {
 
Example1 instance = new Example1();
 
// Assumes an int value is given on the command line
 
int argval = Integer.parseInt(args[0]);
 
System.out.println("squared:" + instance.square(argval));
System.out.println("area:" + instance.areaOfCircle(argval));
 
}
 
// instance variable definitions, if any
 
// method definitions that pertain to actions that Something can be
// asked to do
 
 
public int square(int arg) {
int result;
 
// Add code here to compute arg * arg and save the result in
// the local variable result
 
return result;
}
 
public double areaOfCircle( int radius ) {
 
double result;
 
// Add code here to compute the area if a circle whose radius
// is given: area = Pi * (radius squared)
// Hint: Java defines a constant Math.PI
 
return result;
}
 
}


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