更多"阅读以下程序代码,写出程序的功能。 public class Cla"的相关试题:
[简答题]阅读以下程序代码,写出程序的输出结果。
public class Class35
public static void main(String[] args)
String s1=new String("0860371"),s2="0860371";
System. out. println(s1==s2);
System. out. println(s1. equals(s2));
System. out. println(s1. endsWith(s2)==s1. startsWith(s2));
[简答题]阅读以下程序代码,写出程序的输出结果。
public class Class32
public static void main(String[] args)
boolean x=true,y=false,z=false;
x=x&&y||z;
y=x||y&&z;
z=!(x!=y)||(y==z);
System. out. println(x+","+y+","+z);
[简答题]阅读以下程序代码,写出程序的输出结果。
public class Class33
public static void main(String[] args)
int a,b,c;
a=b=c=1;
boolean w;
w=a++>1&&++b>c++:
System. out. println(a+","+b+","+c+","+w);
[简答题]阅读以下程序代码,写出程序的输出结果。
import java. util.*;
public class Class36
public static void main(String[] args)
String s1="public static void,main(String[] args)";
StringTokenizer s2=new StringTokenizer(s1,",( )[]");
int n=s2. countTokens( );
System. out. println (n);
while(s2. hasMoreTokens( ))
System. out. println(s2. nextToken ( ));
[单项选择]阅读下面程序
1 public class Try extends Thread
2 Public static void main (String args[])
3 Try t=new Try( );
4 t.start( );
5
6
7 Public void run (int j)
8 int i=0;
9 while (i<5)
10 System.out.printIn("祝你成功!");
11 i++;
12
13
14
该程序要求打印5行"祝你成功!",必须改正程序中的某行代码,程序才能完成,选择正确的修改是______。
A. 将第1行的extends Thread改为implements Runnable
B. 将第3行的new Try()改为new Thread()
C. 将第4行的t.start()改为start(t)
D. 将第7行的public void run(int j)改为public void run()
[单项选择]阅读下列代码
public class Test2005{
public static void main(String args[]){
String s="Test";
switch(s){
case"Java":System.out.print("Java");
break;
case"Language":System.out.print("Lan-
guage");
break;
case"Test":System.out.print("Test");
break;
}
}
}
其运行结果是( )。
A. Java
B. Language
C. Test
D. 编译时出错
[单项选择]阅读下面程序
public class ExampleStringBuffer
public static void main(String[] args)
StringBuffer sb=new StringBuffer("test");
System.out.println("buffer="+sb);
System.out.println("length="+sb.length( ));
程序运行结果中,在“length=”后输出的值是
A. 10
B. 4
C. 20
D. 30
[填空题]请阅读下列程序代码,然后将程序的执行结果补充完整。
程序代码:
public class throwsExcepfion{
static void Proc(int se1)
throws ArithmeticException,ArraylndexOutOfBoundsException {
System.out.println("in Situation"+se1);
if(se1==0){
System.out.println("no Exception caught");
return;
}else if(se1==1){
int iArray[]=new int[4];
iArray [1]=3;
}
}
public static void main(String args[])[
try{
Proc(0);
Proc(1);
} catch(ArraylndexOutOfBoundsException e) {
System.out.println("Catch"+e);
}finally{
System.out.println("in Proc finally");
}
}
}
执行结果:
In Situation( )
no ExcepbOn cauSht
【14】
in Proc findly
[填空题]请阅读下列程序代码,然后将程序的执行结果补充完整。
程序代码:
public class throwsExcepfion
static void Proc(int se1)
throws ArithmeticException,ArraylndexOutOfBoundsException
System.out.println("in Situation"+se1);
if(se1==0)
System.out.println("no Exception caught");
return;
else if(se1==1)
int iArray[]=new int[4];
iArray [1]=3;
public static void main(String args[])[
try
Proc(0);
Proc(1);
catch(ArraylndexOutOfBoundsException e)
System.out.println("Catch"+e);
finally
System.out.println("in Proc finally");
执行结果:
In Situation( )
no ExcepbOn cauSht
【14】
in Proc findly
[填空题]请阅读下列程序代码,然后将程序的执行结果补充完整。
程序代码:
public class throwsException
static void Proc(int sel)
throws ArithmeticException, ArrayIndexOutOfBoundsException
System.out.println("In Situation"+sel);
if(sel==0)
System.out.println("no Exception caught");
return;
else if(sel==1)
int iArray[]=new int[4];
iArray[1]=3;
public static void main(String args[])
try
Proc(0);
Proc(1);
catch (ArrayIndexOutOfBoundsException e)
System.out.println("Catch"+e);
finally
System.out.println("in Proc finally");
执行结果
In Situation 0
no Exception caught
【14】
in Proc finally
[填空题]请阅读下列程序代码,然后将程序的执行结果补充完整。
程序代码:
public class throwsException
static void Proc(intsel)
throws Arithmetic Exception,Array Index Out Of Bounds Exception
System.out.println("InSituation"+sel);
if(sel==0)
System.out.println("noException caught");
return;
else if(sel==1)
int iArray[]=newint[4];
iArray[-1]=3;
public static void main(String args[])
try
Proc(0);
Proc(1);
catch(Array Index Out Of Bounds Exception e)
System.out.println("Catch"+e);
finally
System.out.println("inProcfinally");
执行结果:
In Situation 0
no Exception caught
in Proc finally