정복잉

package day19; public class Thread10 { //메인 클래스 public static void main(String[] args) { Runnable r = new Money(); //쓰레드를 호출한 클래스 객체화 new Thread(r).start(); //쓰레드 실행A new Thread(r).start(); //쓰레드 실행B } } class Account { private int balance = 1000; //은행잔고 public String name; public int getBalance() { //호출을 하기 위해 get 설정, 수정할 이유X set 설정X return balance; } public synchronized void withdraw(int money..

package day19; //Thread - sleep() public class ThreadExam07 { public static void main(String[] args) { Test01 t1 = new Test01(); Test02 t2 = new Test02(); t1.start(); t2.start(); } } class Test01 extends Thread{ @Override public void run() { for(int i =0; i

package day19; //쓰레드 우선순위 public class ThreadExam05 { public static void main(String[] args) { ThreadGroup main = Thread.currentThread().getThreadGroup(); //쓰레드 그룹 //쓰레드를 상속받은 클래스 객체화 Exam01 e1 = new Exam01(); Exam02 e2 = new Exam02(); e2.setPriority(7); //쓰레드 우선순위 설정 //쓰레드 우선순위 반환 System.out.println("Priority od e1(-) : "+e1.getPriority()); System.out.println("Priority od e2(|) : "+e2.getPriori..

package day19; //싱글쓰레드 public class ThreadExam03 { public static void main(String[] args) { long startTime = System.currentTimeMillis(); for(int i=0;i

package day19; // 쓰레드 상속받아 쓰레드 생성 public class ThreadExam01 { public static void main(String[] args) { //쓰레드를 상속받은 클래스의 객체 생성 MyThread mt1 = new MyThread("*"); MyThread mt2 = new MyThread("-"); //쓰레드 호출 mt1.start(); mt2.start(); System.out.println("End Thread class"); } } class MyThread extends Thread { String str; public MyThread(String str) { this.str = str; } @Override public void run() { for..

package day18; import java.util.HashMap; import java.util.LinkedHashMap; import java.util.Map; import java.util.TreeMap; public class Test13 { public static void main(String[] args) { Map hm = new HashMap(); Map tm = new TreeMap(); Map lm = new LinkedHashMap(); print(hm); print(tm); print(lm); } public static void print(Mapm) { m.put(13, "pig"); m.put(17, "cat"); m.put(3, "dog"); m.put(9, "fish"..