Three kinds of method invocation format:
1. separate calls: Method name (parameter);
2. Print call: System.out.println (method name (parameters));
3. call assignment: variable name = data type name method (parameters);
Note: The method had to learn to write for the fixed return type void, this method can only be invoked separately, can not be printed or call assignment calls.
Method Example:
{class Demo02MethodDefined public
public static void main (String [] args) {
// separate call
SUM (l, 7);
System.out.println ( "===============") ;
// print call
System.out.println (SUM (1, 7));
System.out.println ( "===============");
// assignment calls
int num SUM = (15, 25);
NUM + = 100;
System.out.println ( "variable values:" + NUM);
System.out.println ( "============== = ");
}
public static int SUM (A int, int B) {
System.out.println (" method of performing it !!! ");
int Result = A + B;
return Result;
}
}
Results of the:
