單項(xiàng)選擇題

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？（）

A. The code compiles and “s=” is printed.
B. The code compiles and “s=null” is printed.
C. The code does not compile because string s is not initialized.
D. The code does not compile because string s cannot be referenced.
E. The code compiles， but a NullPointerException is thrown when toString is called.

你可能感興趣的試題

多項(xiàng)選擇題

public interface Foo{
int k = 4；
}
Which three are equivalent to line 2？（）

A. Final int k = 4；
B. Public int k = 4；
C. Static int k = 4；
D. Private int k = 4；
E. Abstract int k = 4；
F. Volatile int k = 4；
G. Transient int k = 4；
H. Protected int k = 4；

單項(xiàng)選擇題

int index = 1；
String test = new String；
String foo = test[index]；
What is the result？（）

A. Foo has the value “”
B. Foo has the value null
C. An exception is thrown
D. The code will not compile

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？（）

你可能感興趣的試題

public interface Foo{ int k = 4； } Which three are equivalent to line 2？ （）

int index = 1； String test = new String； String foo = test[index]； What is the result？（）

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？（）

public interface Foo{
int k = 4；
}
Which three are equivalent to line 2？（）

int index = 1；
String test = new String；
String foo = test[index]；
What is the result？（）