• 2022-05-27 问题

    程序运行的结果是: good and gbc。( ) public class Example{ String str=new String(“good”); char[]ch={‘a’,'b’,'c’}; public static void main(String args[]){ Example ex=new Example(); ex.change(ex.str,ex.ch); System.out.print(ex.str+” and “); Sytem.out.print(ex.ch); } public void change(String str,char ch[]){ str=”test ok”; ch[0]=’g'; } }

    程序运行的结果是: good and gbc。( ) public class Example{ String str=new String(“good”); char[]ch={‘a’,'b’,'c’}; public static void main(String args[]){ Example ex=new Example(); ex.change(ex.str,ex.ch); System.out.print(ex.str+” and “); Sytem.out.print(ex.ch); } public void change(String str,char ch[]){ str=”test ok”; ch[0]=’g'; } }

  • 2021-04-14 问题

    对于下列代码:publicclassExample{Stringstr=newString("hello");charch[]={'d','b','c'};publicstaticvoidmain(Stringargs[]){Exampleex=newExample();ex.change(ex.str,ex.ch); System.out.println(ex.str+"and"+ex.ch[0]); } publicvoidchange(Stringstr,charch[]){str="world";ch[0]='a';}}输出结果是:

    对于下列代码:publicclassExample{Stringstr=newString("hello");charch[]={'d','b','c'};publicstaticvoidmain(Stringargs[]){Exampleex=newExample();ex.change(ex.str,ex.ch); System.out.println(ex.str+"and"+ex.ch[0]); } publicvoidchange(Stringstr,charch[]){str="world";ch[0]='a';}}输出结果是:

  • 2022-05-27 问题

    给定以下代码,程序的运行结果是 ()public class Example {String str=new String("good");char [] ch={'a','b','c'};public static void main(String[] args) {Example ex=new Example();ex.change(ex.str, ex.ch);System.out.print(ex.str+"and");System.out.print(ex.ch);}public void change(String str,char ch[]){str="test ok";ch[0]='g';}} A: goodandabc B: goodandgbc C: test okandabc D: test okandgbc

    给定以下代码,程序的运行结果是 ()public class Example {String str=new String("good");char [] ch={'a','b','c'};public static void main(String[] args) {Example ex=new Example();ex.change(ex.str, ex.ch);System.out.print(ex.str+"and");System.out.print(ex.ch);}public void change(String str,char ch[]){str="test ok";ch[0]='g';}} A: goodandabc B: goodandgbc C: test okandabc D: test okandgbc

  • 2022-05-27 问题

    下列程序运行的结果是______。   public class Example{   String str=new String("good");   char[]ch={’a’,’b’,’c’};   public static void main(String args[]){   Example ex=new Example();   ex.change(ex.str,ex.ch);   System.out.print(ex.str+" and ");   System.out.print(ex.ch);   }   public void change(String str,char ch[]){   str="test ok";   ch[0]=’g’;   } A: good and abc B: good and gbc C: test ok and abc D: test ok and gbc

    下列程序运行的结果是______。   public class Example{   String str=new String("good");   char[]ch={’a’,’b’,’c’};   public static void main(String args[]){   Example ex=new Example();   ex.change(ex.str,ex.ch);   System.out.print(ex.str+" and ");   System.out.print(ex.ch);   }   public void change(String str,char ch[]){   str="test ok";   ch[0]=’g’;   } A: good and abc B: good and gbc C: test ok and abc D: test ok and gbc

  • 2022-05-27 问题

    下面程序最后输出的结果是( )public class A{ String str=new String(“good”); char[] ch={‘a’,’b’,’c’}; public static void main(String args[]){ A ex=new A(); ex.change(ex.str,ex.ch); System.out.print(ex.str+””+ex.ch[0]); } public void change(String str,char ch[]){ str=”test ok”; ch[0]=’g’; }} A: good a B: good g C: test ok a D: test ok g

    下面程序最后输出的结果是( )public class A{ String str=new String(“good”); char[] ch={‘a’,’b’,’c’}; public static void main(String args[]){ A ex=new A(); ex.change(ex.str,ex.ch); System.out.print(ex.str+””+ex.ch[0]); } public void change(String str,char ch[]){ str=”test ok”; ch[0]=’g’; }} A: good a B: good g C: test ok a D: test ok g

  • 2021-04-14 问题

    【单选题】ex amine A. ex pert B. ex cellent C. ex press D. ex ample A. ex pert B. ex cellent C. ex press D. ex ample

    【单选题】ex amine A. ex pert B. ex cellent C. ex press D. ex ample A. ex pert B. ex cellent C. ex press D. ex ample

  • 2021-04-14 问题

    Which one of the following expressions is the most accurate?: CA - IM = EX|CA = EX + IM|CA = EX - IM|CA = EX = IM|CA = IM - EX

    Which one of the following expressions is the most accurate?: CA - IM = EX|CA = EX + IM|CA = EX - IM|CA = EX = IM|CA = IM - EX

  • 2022-05-30 问题

    正压型防爆标志表示() A: Ex d B: Ex q C: EX e D: EX p

    正压型防爆标志表示() A: Ex d B: Ex q C: EX e D: EX p

  • 2022-06-16 问题

    D(X)=EX^2-(EX)^2其中(EX)^2怎么计算?

    D(X)=EX^2-(EX)^2其中(EX)^2怎么计算?

  • 2022-06-19 问题

    若随机变量X的数学期望存在,则E[E(EX)]=()。 A: 0 B: EX C: (EX) D: (EX)

    若随机变量X的数学期望存在,则E[E(EX)]=()。 A: 0 B: EX C: (EX) D: (EX)

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