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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
参考答案
更多 “ 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” 相关考题
考题
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
考题
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
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下面程序段的输出结果为 package test; public class ClassA { int x=20; static int y=6; public static void main(String args[]) { ClassB b=new ClassB(); b.go(10); System.out.println("x="+b.x); } } class ClassB { int x; void go(int y) { ClassA a=new ClassA(); x=a.y; } }A.x=10B.x=20C.x=6D.编译不通过
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下面程序段的输出结果为( )。 package test; public class ClassA { int x=20: static int y=6; public static void main(String args[]) { ClassB b=new ClassB; go(10); System.out.println("x="+b.x); } } class ClassB { int X; void go(int y) { ClassA a=new ClassA; x=a.Y ; } }A.x=10B.x=20C.x=6D.编译不通过
考题
下面程序段的输出结果为 package test; public class A { int x=20; static int y=6; public static void main(String args[]) { Class B b=new Class B(); b.go(10); System.out.println(”x=”+b.x); } } class Class B { int x; void go(int y) { ClassA a=new ClassA(); x=a.y; } }A.x=10B.x=20C.x=6D.编译不通过
考题
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、trueB、falseC、编译失败D、输出不可预期
考题
现有: class Tree { private static String tree = "tree "; String getTree () { return tree; } } class Elm extends Tree { private static String tree = "elm "; public static void main (String [] args) { new Elm() .go (new Tree()) ; } } void go (Tree t) { String s = t.getTree () +Elm.tree + tree + (new Elm() .getTree ()) ; System.out.println (s) ;} 结果为:() A、 elm elm elm elmB、 tree elm elm elmC、 tree elm elm treeD、 tree elm tree elm
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class Flibitz{ public static void main(String[] args){ int grop=7; new Flibitz().go(grop); System.out.print(grop); } void go(int grop){ if(++grop7) grop++; System.out.print(grop); } } 结果为:() A、99B、编译失败C、运行时异常被抛出D、77E、79F、97
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import java.util.*; class Banana3 { public static void main(String [] args) { int x = 2; Banana3 b = new Banana3(); b.go(x); } static { x += x; } void go(int x) { ++x; System.out.println(x); } } 结果为:() A、2B、3C、5D、编译失败
考题
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
考题
class Flibitz { public static void main(String [] args) { int grop = 7; new Flibitz().go(grop); System.out.print(grop); } void go(int grop) { if(++grop 〉 7) grop++; System.out.print(grop); } } 结果为:() A、77B、79C、97D、99
考题
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
考题
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、falseB、trueC、编译失败D、运行的时候有异常抛出
考题
final class Tree { private static String tree = "tree "; String getTree() { return tree; } } class Elm extends Tree { private static String tree = "elm "; public static void main(String [] args) { new Elm().go(new Tree()); } void go(Tree t) { String s = t.getTree()+Elm.tree+tree+(new Elm().getTree()); System.out.println(s); } } 结果为:() A、elm elm elm elmB、tree elm elm elmC、tree elm tree elmD、编译失败
考题
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
考题
public class Yikes { public static void go(Long n) {System.out.println(”Long “);} public static void go(Short n) {System.out.println(”Short “);} public static void go(int n) {System.out.println(”int “);} public static void main(String [] args) { short y= 6; long z= 7; go(y); go(z); } } What is the result?() A、 int LongB、 Short LongC、 Compilation fails.D、 An exception is thrown at runtime.
考题
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
考题
class Parser extends Utils { public static void main(String [] args) { System.out.print(new Parser().getInt("42")); } int getInt(String arg) { return Integer.parseInt(arg); } } class Utils { int getInt(String arg) throws Exception { return 42; } } 结果为:() A、42B、编译失败C、无输出结果D、运行时异常被抛出
考题
现有: class Banana2 f static int X=2; public static void main (String [] args) { int X=2; Banana2 b=new Banana2(); b.go(x); } static {x+=x; } void go (int x) { ++x; System. out.println (x); } 结果为:() A、7B、5C、3D、2
考题
单选题现有: class Banana2 f static int X=2; public static void main (String [] args) { int X=2; Banana2 b=new Banana2(); b.go(x); } static {x+=x; } void go (int x) { ++x; System. out.println (x); } 结果为:()A
7B
5C
3D
2
考题
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
7B
9C
编译失败D
输出结果不可预料
考题
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
11B
12C
编译失败D
运行时异常被抛出
考题
单选题public class Yikes { public static void go(Long n) {System.out.println(”Long “);} public static void go(Short n) {System.out.println(”Short “);} public static void go(int n) {System.out.println(”int “);} public static void main(String [] args) { short y= 6; long z= 7; go(y); go(z); } } What is the result?()A
int LongB
Short LongC
Compilation fails.D
An exception is thrown at runtime.
考题
单选题class Flibitz { public static void main(String [] args) { int grop = 7; new Flibitz().go(grop); System.out.print(grop); } void go(int grop) { if(++grop 〉 7) grop++; System.out.print(grop); } } 结果为:()A
77B
79C
97D
99
考题
单选题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
考题
单选题import java.util.*; class Banana3 { public static void main(String [] args) { int x = 2; Banana3 b = new Banana3(); b.go(x); } static { x += x; } void go(int x) { ++x; System.out.println(x); } } 结果为:()A
2B
3C
5D
编译失败
考题
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
falseB
trueC
编译失败D
运行的时候有异常抛出
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