A.333
B.334
C.234
D.233
第1题:
执行下面程序后输出的正确结果是 public class Test{ public static void main(String args[]){ byte x=3,y=4; long r=80L; System.out.print(r/y); System.out.print(","); System.out.print(x/y); } }
A.20.0,1
B.20.0,1.0
C.20,0
D.20,1.0
第2题:
publicclassTestApp{publicstaticvoidmain(String[]args){try{inti=0;intj=1/i;Stringmyname=null;if(myname.length()>2)System.out.print(1”);}catch(NullPointerExceptione){System.out.print(2”);}catch(Exceptione){System.out.print(3”);}}}上述程序运行后的输出是哪项?()
A.3
B.2
C.231
D.32
第3题:
若有如下程序:
public class Test {
public static void main (String[] args) {
int x=20;
if (x>10) System.out.print(x-=5);
if (x>5) System.out.print(x--);
}
}则程序运行后的输出结果是【 】。
第4题:
执行下面程序后输出的正确结果是( )。 public class Test{ public static void main(String args[]){ System.out.print(100%3); System.out.print(","); System.out.print(100%0); } }
A.1,1
B.1,1.0
C.1.0, l
D.1.0,1.0
第5题:
现有:classBirds{publicstaticvoidmain(String[]args){try{thrownewException();}catch(Exceptione){try{thrownewException();}catch(Exceptione2){System.out.print("inner");}System.out.print("middle");}System.out.print("outer");}}结果是()
A.innerouter
B.middleouter
C.innermiddleouter
D..编译失败
第6题:
请阅读下面的程序
classTest/{
privatestaticStringname;
static/{
name="World";
System.out.print(name);
/}
publicstaticvoidmain(String[]args)/{
System.out.print("Hello");
Testtest=newTest();
/}
/}
下列选项中,程序运行结果是()。
:A.World
B.Hello
C.World Hello
D.Hello World
第7题:
publicclassPet{privateStringname;publicPet(){System.out.print(1);}publicPet(Stringname){System.out.print(2);}}publicclassDogextendsPet{publicDog(){System.out.print(4);}publicDog(Stringname){super(name);System.out.print(3);}}执行newDog(棕熊”);后程序输出是哪项?()
A.33
B.13
C.23
D.123
第8题:
( 16 )请阅读下面程序
import java.io.*;
public class TypeTransition {
public static void main ( String args[] ){
char a = 'a' ;
int i = 100 ;
long y = 456L ;
int aa = a + i ;
long yy = y-aa ;
System.out.print ( "aa = "+aa ) ;
System.out.print ( "yy = ” +yy ) ;
}
}
程序运行结果是
A ) as = 197 yy = 259
B ) as=77 yy = 259
C ) as = 543 yy = 288
D ) as = 197 yy = 333
第9题:
下列Aplication程序实现:从1到100的整数分别对35求余数,并根据不同余数(0,1,2,3时分别输出“余0”,“余1,”“余2”,“余3”,其他输出“其他”)输出相应信息。请将程序补充完整。
public class test18_2{
Public static Void main(String[]args) {
for(int i=1;i<=100;i++){
______(i______35) {
Case 0:
System.out.print(“余0”);
break;
Case 1:
System.out.print(“余1”);
break;
Case 2:
System.out.print(“余2”);
break;
——:
System.out.print(“其他”);
break;
}
}
System.out.println();
}
}
第10题:
编译和执行以下代码,输出结果是( )。 int i=1; switch (i) { case 0: System.out.print("zero,"); break; case 1: System.out.print("one,"); case 2: System.out.print("two,"); default: System.out.println("default"); }
A.one,
B.one,two,
C.one,two,default
D.default