// 源码
public class Test {public static void test1() {int[] arr = {1, 2, 3, 4, 5};for (int i : arr) {System.out.println(i);}}public static void main(String[] args) {test1();}
}

// 反编译
public class Test {public Test() {}public static void test1() {int[] arr = new int[]{1, 2, 3, 4, 5};int[] var1 = arr;int var2 = arr.length;for(int var3 = 0; var3 < var2; ++var3) {int i = var1[var3];System.out.println(i);}}public static void main(String[] args) {test1();}
}

// 源码
import java.util.ArrayList;
import java.util.List;public class Test {public static void test1() {List<Integer> list = new ArrayList<>();list.add(1);list.add(2);list.add(3);for (Integer integer : list) {System.out.println(integer);}}public static void main(String[] args) {test1();}
}

// 反编译
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;public class Test {public Test() {}public static void test1() {List<Integer> list = new ArrayList();list.add(1);list.add(2);list.add(3);Iterator var1 = list.iterator();while(var1.hasNext()) {Integer integer = (Integer)var1.next();System.out.println(integer);}}public static void main(String[] args) {test1();}
}