public class Plant { private String name; public Plant(String name) { this.name = name; } public String getName() { return name; } } public class Tree extends Plant { public void growFruit() { } public void dropLeaves() { } } Which is true?()
public class Test { public static void main (String args) { string foo = “blue”; string bar = foo; foo = “green”; System.out.printIn(bar); } } What is the result?()
public class Test { public static void main(String[] args) { String str = NULL; System.out.println(str); } } What is the result?()
类Student的声明如下: package com.school class Student{ String name; int age; Student(String name,int age){ //code } void study(String subject){ / /code } } 正确调用方法study(String subject)的是哪项?()
现有: class A {public String name="a"} class B extends A {public String name="b"} 执行如下代码后的结果是哪项?() A a=new B(); System.out.println(a.name);
public class Test { public static void main (String [] args) { string foo = “blue”; string bar = foo; foo = “green”; System.out.printIn(bar); } } What is the result?()
class Wrench2 { int size; public static void main(String [] args) { Wrench2 w = new Wrench2(); w.size = 9; Wrench2 w2 = go(w, w.size); System.out.print(w2.size); } static Wrench2 go(Wrench2 wr, int s) { s = 7; return wr; } } 结果为:()
执行以下代码,输出结果的结果是? () public class Test{ public String[] ss = new String[5]; public static void main(String[] args){ System.out.println(ss[1]); } }
设有类定义如下:class InOut{String s= new String(Between);public void amethod(final int iArgs){int iam=5;iam++;class Bicycle{public void sayHello(){//Here}}}public void another(){ int iOther; }}以下哪些语句可以安排在//Here处 ?
以下代码运行输出是() class Man { private String name = Jack
读代码:public class foo {static String s;public static void main (String[]args) {System.out.println (“s=” + s);}}结果是:
以下代码运行输出是()class Man {private String name = \Jack
对于如下代码,下列哪个叙述是正确的?public class E {public static void main (String args[]) {String s1 = args[1];String s2 = args[2];String s3 = args[3];System.out.println(s3);}}
读代码:public class Test {public static void main (String [] args) {String foo = “blue”;String bar = foo;foo = “green”;System.out.println(bar);}}结果是:
Malawi has class sizes of over 100 children.
分析如下所示的Java代码,则选项中的说法正确的是( )。 class Parent{ public String name; public Parent(String pName){ this.name = pName; } } public class Test extends Parent { //1 public Test(String Name){ //2 name=\hello
下列程序输出结果为()。 public class test { public static void main (String args[]) {
指出下列程序运行的结果public class Example{ String str=newString("good"); c
HashMap <string, string> map = new HashMap<>(); map.put("yes", "好的"); map.put("yes", ""); map.put("cry", "香菇");请问,map的size是多少?
The phrase "size of the class" underlined in Paragraph 4 refers to the______.
下列语句输出结果为()。 public class test{ public static void main(String args[]) String s1
Which of the following type of class is the smallest in size?()
6、下面程序的运行结果是() public class HashMapTest { public static void main(String[] args) { HashMap<String, Integer> hh = new HashMap<String, Integer>(); hh.put("邯郸市",100); hh.put("石家庄市",200); hh.put("保定市",300); hh.put("张家口市",400); if(hh.containsKey("承德市")) { hh.put("承德市",100); } hh.put("石家庄市",2000); System.out.println(hh.size()+","+hh.get("承德市")+",
Given the uncompleted code of a class:class Person { String name, department; int age; public Person(String n){ name = n; } public Person(String n, int a){ name = n; age = a; } public Person(String n,