The program runs and prints nothing.
The program runs and prints “Equal”
An error at line 5 causes compilation to fail.
The program runs but aborts with an exception.
第1题:
Which declarations will allow a class to be started as a standalone program?()
第2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.printIn (textString + textBuffer); } ) What is the output?()
第3题:
public class X { public static void main (Stringargs) { String s1 = new String (“true”); Boolean b1 = new Boolean (true); if (s2.equals(b1)) { System.out.printIn(“Equal”); } } } What is the result? ()
第4题:
public class X { public static void main (String[]args) { string s = new string (“Hello”); modify(s); System.out.printIn(s); } public static void modify (String s) { s += “world!”; } } What is the result?()
第5题:
public class X { public static void main (Stringargs) { string s = new string (“Hello”); modify(s); System.out.printIn(s); } public static void modify (String s) { s += “world!”; } } What is the result?()
第6题:
public class Test{ public static void main(String[]args){ intx=5; boolean b1=true; boolean b2=false; if((x==4)&&!b2) System.out.print("l"); System.out.print("2"); if((b2=true)&&b1) System.out.print("3"); } } What is the result?()
第7题:
第8题:
The program runs and prints nothing.
The program runs and prints “Equal”
An error at line 5 causes compilation to fail.
The program runs but aborts with an exception.
第9题:
The program runs and prints “Hello”
An error causes compilation to fail.
The program runs and prints “Hello world!”
The program runs but aborts with an exception.
第10题:
2
3
12
23
123
Compilation fails.
An exceptional ist hrown at runtime.
第11题:
Compilation will fail.
The program prints “0”.
The program prints “3”.
Compilation will succeed but an exception will be thrown at line 3.
第12题:
The program prints “0”
The program prints “4”
The program prints “8”
The program prints “12”
The code does not complete.
第13题:
public class Alpha{ public static void main( string[] args ){ if ( args.length == 2 ) { if ( args.[0].equalsIgnoreCase(“-b”) ) System.out.println( new Boolean( args[1] )); } } } And the code is invoked by using the command: java Alpha –b TRUE What is the result?()
第14题:
public class foo { public static void main (string[]args) try {return;} finally {system.out.printIn(“Finally”);} } What is the result?()
第15题:
public class X { public static void main (String[]args) { String s1 = new String (“true”); Boolean b1 = new Boolean (true); if (s2.equals(b1)) { System.out.printIn(“Equal”); } } } What is the result?()
第16题:
public class test ( private static int j = 0; private static boolean methodB(int k) ( j += k; return true; ) public static void methodA(int i)( boolean b: b = i < 10 | methodB (4); b = i < 10 || methodB (8); ) public static void main (String args[])( methodA (0); system.out.printIn(j); ) ) What is the result?()
第17题:
public class Test { public static void replaceJ(string text) { text.replace (‘j’, ‘l’); } public static void main(String args[]) { string text = new String (“java”) replaceJ(text); system.out.printIn(text); } } What is the result?()
第18题:
public class test { public static void add3 (Integer i){ int val = i.intValue ( ); val += 3; i = new Integer (val); } public static void main (String args [ ] ) { Integer i = new Integer (0); add3 (i); system.out.printIn (i.intValue ( ) ); } } What is the result?()
第19题:
The program runs and prints nothing.
The program runs and prints “Equal”
An error at line 5 causes compilation to fail.
The program runs but aborts with an exception.
第20题:
The program runs and prints “Hello”
An error causes compilation to fail.
The program runs and prints “Hello world!”
The program runs but aborts with an exception.
第21题:
The program runs and prints nothing.
The program runs and prints “Finally”
The code compiles, but an exception is thrown at runtime.
The code will not compile because the catch block is missing.
第22题:
true
null
false
Compilation fails.
The code runs with no output.
An exception is thrown at runtime.
第23题:
An exception is thrown.
The code will not compile.
The program prints “null”
The program prints “blue”
The program prints “green”
第24题:
The program prints “lava”
The program prints “java”
An error at line 7 causes compilation to fail.
Compilation succeeds but the program throws an exception.