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package chapter_08;
import java.util.Arrays;
import java.util.List;
/**
* 减少循环嵌套
*
* @author biezhi
* @date 2018/7/11
*/
public class Example6 {
class User {
String name;
public User(String name) {
this.name = name;
}
}
// public void foo() {
// List<User> result = Arrays.asList(new User("jack"),
// new User("biezhi"));
//
// int notNullCount = 0;
// for (User user: result) {
// if (user != null) {
// notNullCount++;
// if (user.name != null) {
// System.out.println(user.name);
// }
// }
// }
//
// }
public void bar() {
List<User> result = Arrays.asList(new User("jack"),
new User("biezhi"));
int notNullCount = 0;
for (User user : result) {
if (null == user) {
continue;
}
notNullCount++;
if (user.name != null) {
System.out.println(user.name);
}
}
}
}