Compilation will fail.
Compilation will succeed and the program will print “3”
Compilation will succeed but the program will throw a ClassCastException at line 6.
Compilation will succeed but the program will throw a ClassCastException at line 7.
第1题:
下列程序的输出结果是 class Test{ public static void main(String args[]){ int n=7; n<<=3; n=n&n+1|n+2^n+3; n>>=2; System.out.println(n); } }
A.0
B.-1
C.14
D.64
第2题:
main方法是JavaApplication程序执行的入口点。关于main方法的方法头,下列合法的是( )。
A.public static void main()
B. public static void main(String[])args)
C. public static iht main(String[]arg)
D.public void main(String arg[])
第3题:
Which declarations will allow a class to be started as a standalone program?()
第4题:
Public class test ( Public static void stringReplace (String text) ( Text = text.replace (‘j’ , ‘i’); ) public static void bufferReplace (StringBuffer text) ( text = text.append (“C”) ) public static void main (String args[]} ( String textString = new String (“java”); StringBuffer text BufferString = new StringBuffer (“java”); stringReplace (textString); BufferReplace (textBuffer); System.out.printLn (textString + textBuffer); ) ) What is the output?()
第5题:
main方法是Java程序执行的入口点,关于main方法的方法头以下哪项是合法的()?
第6题:
Given the following code: public class Test { void printValue(int m){ do { System.out.println("The value is"+m); } while( --m > 10 ) } public static void main(String arg[]) { int i=10; Test t= new Test(); t.printValue(i); } } Which will be output?()
第7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:()
第8题:
public void main(String args[])
public void static main(String args[])
public static main(String[] argv)
final public static void main(String [] array)
public static void main(String args[])
第9题:
42
编译失败
无输出结果
运行时异常被抛出
第10题:
public static void main()
public static void main(Stringargs[])
public static int main(String[]arg)
public void main(Stringarg[])
第11题:
编译报错
LiLei hello
LiLeihello
无任何输出
第12题:
Compilation will fail.
Compilation will succeed and the program will print “3”
Compilation will succeed but the program will throw a ClassCastException at line 6.
Compilation will succeed but the program will throw a ClassCastException at line 7.
第13题:
main方法是Java Application程序执行的入口点,关于main方法头以下( )是合法的。
A.pubUc statk void main()
B.public static void main (String[]args)
C.public static int main (String[]arg)
D.public void main (String arg[])
第14题:
执行以下代码会输出什么结果?() public class Test { StringgetStr(String s){ return s + “hello”; } public static void main(String arg[]) { Test t= new Test(); System.out.println(t.getStr(“LiLei/n”)); } }
第15题:
Public class test ( Public static void main (String args[]) ( System.out.printIn (6 ^ 3); ) ) What is the output?()
第16题:
下面关于Java应用程序中main方法的写法,合法的是()。
第17题:
1.public class test ( 2.public static void main (String args[]) { 3.int i = 0xFFFFFFF1; 4.int j = ~i; 5. 6.} 7.) What is the decimal value of j at line 5?()
第18题:
1.public class Test { 2.public static void main (String args[]) { 3.class Foo { 4.public int i = 3; 5.} 6.Object o = (Object) new Foo(); 7.Foo foo = (Foo)o; 8.System.out.printIn(foo. i); 9. } 10.} What is the result?()
第19题:
0
1
14
–15
An error at line 3 causes compilation to fail.
An error at line 4 causes compilation to fail.
第20题:
public static void main()
public static void main(String[]args)
public static int main(String[]arg)
public void main(Stringarg[])
第21题:
第22题:
第23题:
The value is 8
The value is 9
The value is 10
The value is 11
第24题:
42
编译失败。
无输出结果。
运行时异常被抛出。