现有: class TestApp{ public static void main (String[] args){ for (int i=0; iif(i==3) break; System. out .print (i); } } } 程序运行后的输出是哪项?()
public class TestApp{ public static void main(String[] args){ try{ String myname = null; if(myname.length()>2) System.out.print(“1”); }catch(NullPointerException e){ System.out.print(“2”); } } } 上述程序运行后的输出是哪项?()
1. public class Person { 2. private String name; 3. public Person(String name) { this.name = name; } 4. public boolean equals(Person p) { 5. return p.name.equals(this.name); 6. } 7. } Which is true?()
class TestApp{ public static void main (String[ ] args){ for(int i=0;i<10;i++){ if(i==3) break; System.out.print (i); } } } 程序运行后的输出是哪项?()
程序: class TestApp{ public static void main(String[] args){ for(int i=0;i<10;i++){ if(i==3) break; System.out.print(i); } } } 程序运行后的输出是哪项?()
class TestApp{ public static void main(String[] args){ System.out.println(multiply(2,3,4,5)); } public int multiply(int... nums){ int result=1; for(int x:nums) result*=x; return result; } } 程序运行后的输出是哪项?()
现有: class TestApp{ public static void main (String[] args){ for (int i=0; iif(i==3) break; System. out .print (i); } } } 程序运行后的输出是哪项?()
现有: public class Pet() public class Cat extends Pet{) 执行代码 Cat c- new Cat(); Pet p= (Pet)c; 后下列哪项是正确的?()
程序: class TestApp{ public static void main(String[] args){ System.out.println(multiply(2,3,4,5)); } public int multiply(int[] nums){ int result = 1; for(int x :nums) result *= x; return result; } } 程序运行后的输出是哪项?()
现有: class TestApp{ public static void main (String[] args){ int [5] myarray={ 10, 11, 12, 13, 14); int sum=0; for (int x : myarray) sum+=x; System. out. println( "sum= "+sum); } } 上述程序运行后的结果是哪项?()
程序: class TestApp{ public static void main(String[] args){ for(int i=0;i<5;i++) System.out.print(i+1); System.out.println(i); } } 上述程序运行后的结果是哪项?()
程序: class TestApp{ public static void main() String[] args){ for(int i=0;i<10;i++){ if(i==3) break; 当循环到3时,自动跳出 System.out.print(i); } } } 程序运行后的输出是哪项?()
现有: public class Pet() public class Cat extends Pet{) 执行代码 Cat c- new Cat(); Pet p= (Pet)c; 后下列哪项是正确的?()
现有: class TestApp{ public static void main (String[] args){ int [5] myarray={ 10, 11, 12, 13, 14); int sum=0; for (int x : myarray) sum+=x; System. out. println( "sum= "+sum); } } 上述程序运行后的结果是哪项?()
public class Team extends java.util.LinkedList { public void addPlayer(Player p) { add(p); } public void compete(Team opponent) { /* more code here */ } } class Player { /* more code here */ } Which two are true?()
public class TestApp{ public int mymethod(){ try{ int i = 0; int j = 1 / i; System.out.println(“1”); }finally{ System.out.print(“4”); } return 1; } } 上述程序运行后的输出是哪项?()
给定JAVA代码,如下:Class Parent{public void count() {System.out.println(10%3) ;}}public class Test extends Parent{public void count() {System.out.println(10/3) ;}public static void main(Stringargs[]) {Parent p = new Test() ;p.count() ;}}运行编译后,输出结果是()。
类MyClass的定义如下:class MyClass{ public:MyClass(){ value = 0;}SetVariable(inti) { value = i; }private:int value;}则对下列语句序列:MyClass*p,my; p=&my;正确的描述是( )。
请看如下代码 class Person {private int a;public int change(int m){return m;}}public class Teacher extends Person{public int b;public static void main(String arg[]){Person p = new Person();Teacher t = new Teacher();int i;// point x}}下面哪些放在// point x?行是正确的?
下面程序输出的结果为()。 inClUde”iostream.h” Class A {public: A(){cout<<“CLASS A”<<endl;} ~A()<)}; class B:public A {public: B(){cout<<”CLASSB”<<endl;} ~B(){}}; void main() {A*p; p=new B; B *q; q=new B;}
运行下面程序时,会产生什么异常?() public class X7_1_5 { public static void main(String[] args) { int[] z = {1,2,3,4}; int p = z[4]; int x = 0; int y = p/x; } }
现有:class TestApp{public static void main (String[] args){for (int i=0; i<lo;i++){if(i==3)break;System. out .print (i);}}}程序运行后的输出是哪项()</lo;i++){
有如下程序:include<iostream>using namespace std;class A {public:A(){cout<<"A";}};classB{p
3、阅读下面代码,写出输出结果: public class A { public void fun1(int n) { Console.WriteLine("{0}x2={1}", n, 2 * n); } public void fun2(int n) { Console.WriteLine("{0}x3={1}", n, 3 * n); } } public delegate void mydelegate(int n) public class Test { public static event mydelegate p; static void Main() { A a = new A(); p += new mydelegate(a.fun1); p(1); } }