public void method(Int... args) {}  

package honeymon.java.study;

import org.junit.Test;
import static org.junit.Assert.*;
import static org.hamcrest.CoreMatchers.*;

public class TestEllipsis {
    @Test
    public void testEllipsis() {
	assertThat(lengthEllipsis(3, 4, 5, 6), is(4));
	assertThat(countEllipsis(2, 3, 4, 5, 6), is(20));
	assertThat(stringEllipsis("Korea", "Japan", "China"), is("Korea is Strong country."));
    }

    private String stringEllipsis(String...national) {
	String stmt = null;
	for (int i = 0; i < national.length; i++ ){
	    if("Korea".equals(national[i])) {
		stmt = national[i] + " is Strong country.";
	    }
	}
	return stmt;
    }

    private Integer countEllipsis(int... numberArray) {
	int sumresult = 0;
	for (int i = 0; i < numberArray.length; i++) {
	    sumresult += numberArray[i];
	}
	return sumresult;
    }

    private Integer lengthEllipsis(int... number) {
	return number.length;
    }
    
}

2. Quick Fix(Ctrl+1)을 실행하고 Add generated serial versio ID(AspectJ)를 클릭한다.

package system.tunning;

public class StopWatch {
	private long startTime;
	private long elapsedTime = 0;
	private StringBuffer currentName;
	private boolean threadFlag = false;
	

	public StopWatch() {
		currentName = new StringBuffer();
		startTime = System.nanoTime();
	}
	
	public StopWatch(boolean threadFlag) {
		changeMessage("", threadFlag, true);		
	}
	
	public StopWatch(String message) {
		changeMessage(message, false, true);
	}
	
	public StopWatch(String message, boolean threadFlag) {
		changeMessage(message, threadFlag, true);
	}
	
	public void start() {
		startTime = System.nanoTime();
		elapsedTime = 0;		
	}
	
	public void stop() {
		elapsedTime = System.nanoTime() - startTime;
	}
	
	public void changeMessage(String message, boolean threadFlag, boolean resetFlag) {
		StringBuffer threadName = new StringBuffer();
		this.threadFlag = threadFlag;
		
		if(threadFlag) {
			threadName.append("ThreadName = ").append(Thread.currentThread().getName());
		}
		
		this.currentName.append("[").append(message).append(threadName).append("] ");
		
		if(resetFlag) {
			start();
		}
	}
	
	public double getElapsedMS() {
		if (elapsedTime == 0 ) 
			stop();
		return elapsedTime/1000000.0;
	}
	
	public double getElapsedNano() {
		if (elapsedTime == 0 )
			stop();
		return elapsedTime;
	}
	
	public String toString() {
		if (elapsedTime == 0) 
			stop();
		currentName.append("elapsed Time : ").append(elapsedTime/1000000.0).append("ms");
		return currentName.toString();
	}
}