There are parameters: parentheses among the content, methods need some data when a condition to complete the task when there is a parameter.
For example, two numbers together, you must know how much each of the two numbers to be added.
No argument: among the empty parentheses, a method does not require any data condition that he will be able to complete the task independently, it is no argument.
For example, a method is defined, 10 times the fixed print helloWorld.
Example:
{class Demo03MethodParam public
public static void main (String [] args) {
the method1 (10,20);
System.out.println ( "===============");
method2 () ;
}
// multiplying two numbers, multiply, must know the two numbers is the number, or can not be calculated
// parameters have
public static void the method1 (A int, int B) {
int Result = A * B;
the System .out.println ( "the result is:" result +);
}
// print out, for example, a fixed text string 10
public static void method2 () {
for (int I = 0; I <10; I ++) {
the System. Out.println ( "the HelloWorld");
}
}
}
Results of the:
