单选题现有:  class Wrench f  public static void main(String  []  args)  {  Wrench w=new Wrench();    Wrench w2=new Wrench();     w2=go (w, w2);      System.out.print (w2==w);      }  static Wrench go (Wrench wrl,  Wrench wr2)  {     Wrench wr3=wrl; wrl=wr2; wr

题目
单选题
现有:  class Wrench f  public static void main(String  []  args)  {  Wrench w=new Wrench();    Wrench w2=new Wrench();     w2=go (w, w2);      System.out.print (w2==w);      }  static Wrench go (Wrench wrl,  Wrench wr2)  {     Wrench wr3=wrl; wrl=wr2; wr2=wr3;     return wr3;      }       结果是什么?()
A

 false

B

 true

C

编译失败

D

运行的时候有异常抛出


相似考题
更多“单选题现有:  class Wrench f  public static void main(String  []  args)  {  Wrench w=new Wrench();    Wrench w2=new Wrench();     w2=go (w, w2);      System.out.print (w2==w);      }  static Wrench go (Wrench wrl,  Wrench wr2)  {     Wrench wr3=wrl; wrl=wr2; wr”相关问题
  • 第1题:

    A spanner is a ______.

    A.cross connection line between two main fire lines

    B.special wrench for the couplings in a fire hose line

    C.tackle rigged to support a fire hose

    D.None of the above


    正确答案:B

  • 第2题:

    现有:  class Wrench f  public static void main(String  []  args)  {  Wrench w=new Wrench();    Wrench w2=new Wrench();     w2=go (w, w2);      System.out.print (w2==w);      }  static Wrench go (Wrench wrl,  Wrench wr2)  {     Wrench wr3=wrl; wrl=wr2; wr2=wr3;     return wr3;      }       结果是什么?()     

    • A、 false
    • B、 true
    • C、编译失败
    • D、运行的时候有异常抛出

    正确答案:B

  • 第3题:

    现有: 1. class Wrench f 2.public static void main(String [] args) { 3.Wrench w=new Wrench( ); Wrench w2=new Wrench( ); 4. w2=go (w, w2); 5.System.out.print (w2==w); 6. } 7.static Wrench go (Wrench wrl, Wrench wr2) { 8.Wrench wr3=wrl; wrl=wr2; wr2=wr3; 9. return wr3; 10. } 11. } 结果是什么?()

    • A、false
    • B、true
    • C、编译失败
    • D、运行的时候有异常抛出

    正确答案:B

  • 第4题:

    socket wrench()

    • A、管子钳
    • B、套筒扳手
    • C、开口销
    • D、贯穿螺栓

    正确答案:B

  • 第5题:

    现有:  class  Wrench2  {      int size;  public static void main(String  []  args)  {      Wrench2 w=new Wrench2();      w.size=II;  Wrench2 w2=go(w, w.size);     System. out .print (w2. size);      }  static Wrench2 go(Wrench2 wr. int s)  {      S=12;  return wr;     }     } 结果为()    

    • A、 11
    • B、 12
    • C、编译失败
    • D、运行时异常被抛出

    正确答案:A

  • 第6题:

    单选题
    A spanner is a ().
    A

    cross connection line between two main fire lines

    B

    special wrench for the couplings in a fire hose line

    C

    tackle rigged to support a fire hose

    D

    None of the above


    正确答案: A
    解析: 暂无解析

  • 第7题:

    单选题
    现有:  class Guy  {  String greet()  {  return "hi";  } } class Cowboy extends Guy  {  String greet()  {  return. "howdy";}}  class  Wrangler  extends  Cowboy  {  String  greet()  {  return  "orch!"; } }  class Greetings2  {  public  static void main (String  []  args)  {  Guy g=new Wrangler();  Guy g2=new Cowboy();  Wrangler w2=new Wrangler();  System. out .print (g.greet()+g2.greet()+w2 .greet());  }  }  结果是什么?()
    A

     hi hi ouch!

    B

     ouch!  howdy  ouch!

    C

     hi howdy ouch!

    D

    编译失败

    E

    运行的咐候有异常抛出


    正确答案: B
    解析: 暂无解析

  • 第8题:

    单选题
    An acceptable method of measuring for the correct rotational force applied to the connecting rod and main bearing bolts, is to use a()
    A

    torque wrench

    B

    monkey wrench

    C

    pipe wrench

    D

    slugging wrench


    正确答案: A
    解析: 暂无解析

  • 第9题:

    单选题
    socket wrench()
    A

    管子钳

    B

    套筒扳手

    C

    开口销

    D

    贯穿螺栓


    正确答案: B
    解析: 暂无解析

  • 第10题:

    单选题
    The diameters of the crankpins should be measured using ().
    A

    a micrometer

    B

    a bridge gauge

    C

    a spanner

    D

    a wrench


    正确答案: C
    解析: 暂无解析

  • 第11题:

    单选题
    With the crank in position in the engine, some measurements can be taken by a special bridge gauge and ().
    A

    a micrometer

    B

    a bowl

    C

    a feeler gauge

    D

    a wrench


    正确答案: B
    解析: 暂无解析

  • 第12题:

    单选题
    现有: 1. class Wrench f 2.public static void main(String [] args) { 3.Wrench w=new Wrench( ); Wrench w2=new Wrench( ); 4. w2=go (w, w2); 5.System.out.print (w2==w); 6. } 7.static Wrench go (Wrench wrl, Wrench wr2) { 8.Wrench wr3=wrl; wrl=wr2; wr2=wr3; 9. return wr3; 10. } 11. } 结果是什么?()
    A

    false

    B

    true

    C

    编译失败

    D

    运行的时候有异常抛出


    正确答案: D
    解析: 暂无解析

  • 第13题:

    class Wrench {  public static void main(String [] args) {  Wrench w = new Wrench(); Wrench w2 = new Wrench();  w2 = go(w,w2);  System.out.print(w2 == w);  }  static Wrench go(Wrench wr1, Wrench wr2) {  Wrench wr3 = wr1; wr1 = wr2; wr2 = wr3;  return wr3; }  }  结果是什么?() 

    • A、true
    • B、false
    • C、编译失败
    • D、输出不可预期

    正确答案:A

  • 第14题:

    现有:  class Guy  {  String greet()  {  return "hi";  } } class Cowboy extends Guy  {  String greet()  {  return. "howdy";}}  class  Wrangler  extends  Cowboy  {  String  greet()  {  return  "orch!"; } }  class Greetings2  {  public  static void main (String  []  args)  {  Guy g=new Wrangler();  Guy g2=new Cowboy();  Wrangler w2=new Wrangler();  System. out .print (g.greet()+g2.greet()+w2 .greet());  }  }  结果是什么?()     

    • A、 hi hi ouch!
    • B、 ouch!  howdy  ouch!
    • C、 hi howdy ouch!
    • D、编译失败
    • E、运行的咐候有异常抛出

    正确答案:B

  • 第15题:

    pipe wrench()

    • A、斜口钳
    • B、凿子
    • C、管钳
    • D、台钳

    正确答案:C

  • 第16题:

    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:() 

    • A、7
    • B、9
    • C、编译失败
    • D、输出结果不可预料

    正确答案:B

  • 第17题:

    单选题
    class Wrench {  public static void main(String [] args) {  Wrench w = new Wrench(); Wrench w2 = new Wrench();  w2 = go(w,w2);  System.out.print(w2 == w);  }  static Wrench go(Wrench wr1, Wrench wr2) {  Wrench wr3 = wr1; wr1 = wr2; wr2 = wr3;  return wr3; }  }  结果是什么?()
    A

    true

    B

    false

    C

    编译失败

    D

    输出不可预期


    正确答案: B
    解析: 暂无解析

  • 第18题:

    单选题
    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:()
    A

    7

    B

    9

    C

    编译失败

    D

    输出结果不可预料


    正确答案: D
    解析: 暂无解析

  • 第19题:

    单选题
    现有:  class  Wrench2  {      int size;  public static void main(String  []  args)  {      Wrench2 w=new Wrench2();      w.size=II;  Wrench2 w2=go(w, w.size);     System. out .print (w2. size);      }  static Wrench2 go(Wrench2 wr. int s)  {      S=12;  return wr;     }     } 结果为()
    A

     11

    B

     12

    C

    编译失败

    D

    运行时异常被抛出


    正确答案: A
    解析: 暂无解析

  • 第20题:

    单选题
    A spanner is a().
    A

    cross connection line between two main fire lines

    B

    special wrench for tightening couplings in a fire hose line

    C

    tackle rigged to support a fire hose

    D

    None of the above


    正确答案: B
    解析: 暂无解析

  • 第21题:

    单选题
    A tool consisting of a handle and releasable chain used for turning pipe or fittings of a diameter larger than that which a pipe wrench would fit is called().
    A

    breakout wrench

    B

    makeup tongs

    C

    chain tongs

    D

    pipe spinner


    正确答案: B
    解析: 暂无解析

  • 第22题:

    单选题
    pipe wrench()
    A

    斜口钳

    B

    凿子

    C

    管钳

    D

    台钳


    正确答案: A
    解析: 暂无解析

  • 第23题:

    单选题
    现有:  class Wrench f  public static void main(String  []  args)  {  Wrench w=new Wrench();    Wrench w2=new Wrench();     w2=go (w, w2);      System.out.print (w2==w);      }  static Wrench go (Wrench wrl,  Wrench wr2)  {     Wrench wr3=wrl; wrl=wr2; wr2=wr3;     return wr3;      }       结果是什么?()
    A

     false

    B

     true

    C

    编译失败

    D

    运行的时候有异常抛出


    正确答案: B
    解析: 暂无解析

  • 第24题:

    单选题
    class Guy { String greet() { return "hi "; } }  class Cowboy extends Guy { String greet() { return "howdy "; } }  class Wrangler extends Cowboy { String greet() { return "ouch! "; } }  class Greetings2 {  public static void main(String [] args) {  Guy g = new Wrangler();  Guy g2 = new Cowboy();  Wrangler w2 = new Wrangler();  System.out.print(g.greet()+g2.greet()+w2.greet());  }  }  结果是什么?()
    A

    hi hi ouch!

    B

    hi howdy ouch!

    C

    ouch! howdy ouch!

    D

    编译失败


    正确答案: A
    解析: 暂无解析