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、trueB、falseC、编译失败D、输出不可预期
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
相关考题:
如下程序定义了“单词”类word,类中重载了<运算符,用于比较“单词”的大小,返回相应的逻辑值。程序的输出结果为:After Sorting:Happy Welcome,请将程序补充完整。include<iostream>include<string>using namespace std;class Word{public:Word(strings):str(s){ }string getStr( ){return str;}______const{return(str<w.str);}friend ostream operator<<(ostream output,const Word &w){output<<w.str;return output;}private:string str;};int main( ){Word wl("Happy"),w2("Welcome");cout<<"After sorting:";if(wl<w2)cout<<w1<<"<<w2;else cout<<w2<<''<<w1:return 0;}
classWrench2{intsize;publicstaticvoidmain(String[]args){Wrench2w=newWrench2();w.size=9;Wrench2w2=go(w,w.size);System.out.print(w2.size);}staticWrench2go(Wrench2wr,ints){s=7;returnwr;}}结果为:() A.7B.9C.编译失败D.输出结果不可预料
classWrench{publicstaticvoidmain(String[]args){Wrenchw=newWrench();Wrenchw2=newWrench();w2=go(w,w2);System.out.print(w2==w);}staticWrenchgo(Wrenchwr1,Wrenchwr2){Wrenchwr3=wr1;wr1=wr2;wr2=wr3;returnwr3;}}结果是什么?()A.trueB.falseC.编译失败D.输出不可预期
现有:classWrench2{intsize;publicstaticvoidmain(String[]args){Wrench2w=newWrench2();w.size=II;Wrench2w2=go(w,w.size);System.out.print(w2.size);}staticWrench2go(Wrench2wr.ints){S=12;returnwr;}}结果为() A.11B.12C.编译失败D.运行时异常被抛出
现有:classWrenchfpublicstaticvoidmain(String[]args){Wrenchw=newWrench();Wrenchw2=newWrench();w2=go(w,w2);System.out.print(w2==w);}staticWrenchgo(Wrenchwrl,Wrenchwr2){Wrenchwr3=wrl;wrl=wr2;wr2=wr3;returnwr3;}结果是什么?()A.falseB.trueC.编译失败D.运行的时候有异常抛出
A spanner is a ______.A.cross connection line between two main fire linesB.special wrench for the couplings in a fire hose lineC.tackle rigged to support a fire hoseD.None of the above
class BitStuff { BitStuff go() { System.out.print("bits "); return this; } } class MoreBits extends BitStuff { MoreBits go() { System.out.print("more "); return this; } public static void main(String [] args) { BitStuff [] bs = {new BitStuff(), new MoreBits()}; for( BitStuff b : bs) b.go(); } } 结果为:() A、bits bitsB、bits moreC、more moreD、编译失败
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
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、 falseB、 trueC、编译失败D、运行的时候有异常抛出
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
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、falseB、trueC、编译失败D、运行的时候有异常抛出
class Passer { static final int x = 5; public static void main(String [] args) { new Passer().go(x); System.out.print(x); } void go(int x) { System.out.print(++x); } } 结果是什么?() A、55B、56C、65D、66
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、7B、9C、编译失败D、输出结果不可预料
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、 11B、 12C、编译失败D、运行时异常被抛出
单选题A spanner is a ().Across connection line between two main fire linesBspecial wrench for the couplings in a fire hose lineCtackle rigged to support a fire hoseDNone of the above
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 11B 12C编译失败D运行时异常被抛出
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()Atorque wrenchBmonkey wrenchCpipe wrenchDslugging wrench
单选题A spanner is a().Across connection line between two main fire linesBspecial wrench for tightening couplings in a fire hose lineCtackle rigged to support a fire hoseDNone of the above
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().Abreakout wrenchBmakeup tongsCchain tongsDpipe spinner
单选题With the crank in position in the engine, some measurements can be taken by a special bridge gauge and ().Aa micrometerBa bowlCa feeler gaugeDa wrench
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 falseB trueC编译失败D运行的时候有异常抛出