calculate.java

来自「Beginning Spring 2 源代码」· Java 代码 · 共 31 行

package com.wrox.begspring;

public class Calculate {

	public static void main(String[] args) {
		Calculate calc = new Calculate();
		calc.execute(args);
	}
	
	private void showResult(String result)  {
		System.out.println(result);
	}
	
	private long operate(long op1, long op2)  {
		return op1 + op2;
	}
	
	private String getOpsName() {
		return " plus ";
	}
	public void execute(String [] args)  {
		long op1 = Long.parseLong(args[0]);
		long op2 = Long.parseLong(args[1]);
	   	showResult("The result of " + op1 +  
	   			getOpsName() + op2 + " is "
	   			+ operate(op1, op2) + "!");
		
	}

}