更多"有如下程序 public class Test { int a"的相关试题:
[单项选择]有如下程序
public class Test
int a,b;
Test ( )
a = 100;
b = 200;
Test(int x, int y)
a = x;
b = y;
public static void main(String args[])
Test Obj1 = new Test(12,45);
System.out.println("a = "Obj1.a+" b = "+Ob31.B) ;
Test Obj1 = new Test( );
System.out.println("a = "Obj1.a+" b = "+Obj1.B) ;
程序的运行结果为( )。
A. a=100 b=200
B. a=12 b=45
C. a=12 b=200
D. a=100 b=45
[单项选择]下面程序段的输出结果为
public class Test
int a,b;
Test( )
a=100;
b=200;
Test(int x,int y)
a=x;
b=y;
public static void main(String args[])
Test Objl=new Test(12,45);
System.out.println("a="+objl.a+" b="+Objl.b);
Test Obj2=new Test( );
System.out.println("a="+Obj2.a+" b="+Obj2.b);
A. a=100 b=200
B. a=12 b=45
C. a=12 b=200
D. a=100 b=45
[单项选择]下列程序段的输出结果是______。
public class Test
int a,b;
Test( )
a=100;
b=200;
Test(int x,int y)
a=X;
b=y;
public static void main(String args[ ])
Test Obj1=new Test(12,45);
System.out.println("a="+Obj1.a+"b="+Obj1.B);
Test Obj2=new Test( );
System.out.println("a="+Obj1.a+"b="+Obj1.B);
A. a=100 b=200
B. a=12 b=45
C. a=12 b=200
D. a=100 b=45
[单项选择]下面程序段的输出结果为( )。
public class Test
int a,b;
Test( )
a=100;
b=200;
Test(int x,int y)
a=x;
b=y;
public static void main(String args[])
Test Obj1=new Test(12,45);
System.out.println("a="+Obj1.a+"b="+Obj1.b);
Test Obj2=new Test( );
System.out.println("a="+Obj2.a+"b="+Obj2.b);
A. a=100 b=200
B. a=12 b=45
C. a=12 b=200
D. a=100 b=45
[单项选择]下列代码的执行结果是 public class Test public int aMethod( ) static int i=0; i+ +; System.out.println(i); public static void main(String args[ ]) Test test = new Test( ); test.aMethod( );
A. 编译错误
B. 0
C. 1
D. 运行成功,但不输出
[单项选择]下列代码的执行结果是
public class Test
public int aMethod( )
static int i=0;
i++;
System.out.println(i);
public static void main(String args[])
Test test= new Test( );
test. aMethod( );
A. 编译错误
B. 0
C. 1
D. 运行成功,但不输出
[单项选择]执行如下程序:
public class Test
public static void main (String args[])
int x=1,a=0,b=0;
switch (x)
case 0: b++;
case 1: a++;
case 2: a++;b++;
System.out.println("a=" +a ",b=" +b);
该程序的输出结果是( )。
A. a=2,b=1
B. a=1,b=1
C. a=1,b=0
D. a=2,b=2
[单项选择]下面程序段的输出结果为 public class Test { int a, b; Test( ) { a=100; b=200; } Test(int x,int y) { a=x; b=y; } public static void main(String args[]) { Test Obj1=new Test(12,45); System.out.println("a=+Obj1.a+" b="+Obj1.B) ; Test Obj2=new Test( ); System.out.println("="+Obj2.a+" b="+Obj2.B) ; } }
A. a=100 b=200 a=12 b=45
B. a=12 b=45 a=100 b=200
C. a=12 b=200 a=100 b=45
D. a=100 b=45 a=12 b=200
[单项选择]下面程序段的输出结果为 public class Test { int a,b; Test( ) { a=100; b=200; } Test(int x,int y) { a=x; b=y; } public static void main(String args[]) { Test Objl=new Test(12,45); System.out.println("a="+objl.a+" b="+Objl.b); Test Obj2=new Test( ); System.out.println("a="+Obj2.a+" b="+Obj2.b); } }
A. a=100 b=200 a=12 b=45
B. a=12 b=45 a=100 b=200
C. a=12 b=200 a=100 b=45
D. a=100 b=45 a=12 b=200
[单项选择]下列代码的执行结果是( )。
public class Test
public int aMethod( )
static int i=0;
1++;
System.out.println(i):
public static void main (String args[])
Trest test=new Test ( );
test aMethod( ):
A. 编译错误
B. 0
C. 1
D. 运行成功,但不输出