180个针对Java初学者的简单实例,包含了180個適合與初學者的源碼實例

				/*
				   Here is another short example.
				   Call this file "Example.java".
				*/
				class Example {
				  public static void main(String args[]) {
				    int num; // this declares a variable called num
				    num = 100; // this assigns num the value 100
				    System.out.println("This is num: " + num);
				    num = num * 2;
				    System.out.print("The value of num * 2 is ");
				    System.out.println(num);
				  }
				}