The code compiles and “s=” is printed.
The code compiles and “s=null” is printed.
The code does not compile because string s is not initialized.
The code does not compile because string s cannot be referenced.
The code compiles, but a NullPointerException is thrown when toString is called.
第1题:
Public class test ( Public static void main (String args[]) ( System.out.printIn (6 ^ 3); ) ) What is the output?()
第2题:
public class foo { public static void main (stringargs) try {return;} finally {system.out.printIn(“Finally”);} } What is the result?()
第3题:
public class foo { public static void main (String[]args) { String s; system.out.printIn (“s=” + s); } } What is the result?()
第4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:
下面哪些main方法可用于程序执行()
第7题:
The code compiles and “s=” is printed.
The code compiles and “s=null” is printed.
The code does not compile because string s is not initialized.
The code does not compile because string s cannot be referenced.
The code compiles, but a NullPointerException is thrown when toString is called.
第8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9题:
The code compiles and “s=” is printed.
The code compiles and “s=null” is printed.
The code does not compile because string s is not initialized.
The code does not compile because string s cannot be referenced.
The code compiles, but a NullPointerException is thrown when toString is called.
第10题:
The code compiles and “s=” is printed.
The code compiles and “s=null” is printed.
The code does not compile because string s is not initialized.
The code does not compile because string s cannot be referenced.
The code compiles, but a NullPointerException is thrown when toString is called.
第11题:
s 14
s 16
s 10
Compilation fails.
An exception is thrown at runtime.
第12题:
An exception is thrown.
The code will not compile.
The program prints “null”
The program prints “blue”
The program prints “green”
第13题:
interface DeclareStuff{ public static final int EASY = 3; void doStuff(int t); } public class TestDeclare implements DeclareStuff { public static void main(String [] args) { int x=5; new TestDeclare().doStuff(++x); } void doStuff(int s) { s += EASY + ++s; System.out.println(”s “ + s); } } What is the result?()
第14题:
Given: 310-025 Leading the way in IT testing and certification tools, www.testking.com - 48 - public class foo { static String s; public static void main (Stringargs) { system.out.printIn (“s=” + s); } } What is the result?()
第15题:
public class foo { static String s; public static void main (String[]args) { system.out.printIn (“s=” + s); } } What is the result?()
第16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17题:
public class test( public static void main(stringargs){ string foo = args [1]; string foo = args ; string foo = args ; } ) And command line invocation: Java Test red green blue What is the result? ()
第18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:
The code compiles and “s=” is printed.
The code compiles and “s=null” is printed.
The code does not compile because string s is not initialized.
The code does not compile because string s cannot be referenced.
The code compiles, but a NullPointerException is thrown when toString is called.
第23题:
第24题:
foofoofoofoofoo
foobarfoobarbar
foobarfoofoofoo
foobarfoobarfoo
barbarbarbarbar
foofoofoobarbar
foofoofoobarfoo