随笔分类 - scjp
摘要：题目如下：interface Foo{} class Alpha implements Foo{} class Beta extends Alpha{} public class Delta extends Beta{ public sta...
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摘要：题目为如下代码的执行结果：class Building{}public class Barn extends Building{ public static void main(String[] args){ Building build1 = new Bui...
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摘要：题目为如下代码的执行结果：abstract class Vehicle{ public int speed(){ return 0; }}class Car extends Vehicle{ public int speed(){ return 60; ...
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摘要：题目，如下代码的执行结果：import java.util.ArrayList;class Pizza{ ArrayList toppings; public final void addTopping(String topping){ toppings.add(t...
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摘要：题目——如下代码的执行结果：class Hello{ String title; int value; public Hello(){ title += " World!"; } public Hello(int value){ ...
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摘要：题一,如下代码的执行结果：class Person{ String name = "No name"; public Person(String nm){name = nm;} } class Employee extends Person{ String empID = "...
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摘要：如下代码，在所指示的位置插入代码能够正常编译：class Alpha{ public void bar(int... x){}; public void bar(int x){};} public class Beta extends Alpha{ //insert code ...
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摘要：好吧这道题我丢脸了，竟然做错了。如下程序的输出结果是：class Alligator{ public static void main(String[] args){ int[]x[] = {{1,2},{3,4,5},{6,7,8,9}}; int[][]y...
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摘要：判断如下程序的最终输出值：import java.util.*;public class Quest{ public static void main(String[] args){ String[] colors = {"blue", "red", "green", "yello...
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摘要：判断如下代码的执行结果：public class Spock{ public static void main(String[] args){ Long tail = 2000L; Long distance = 1999L; Long story = 10...
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摘要：判断如下代码最后的执行结果。public class Breaker{ static String o = ""; public static void main(String[] args){ z: o = o+2; for(int x=3; ...
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