單項(xiàng)選擇題

Given the following code：
public class Person{
int arr[] = new int[10]；
public static void main（String a[]） {
System.out.println（arr[1]）；
}
}
Which statement is correct？（）

A. When compilation some error will occur.
B. It is correct when compilation but will cause error when running.
C. The output is zero.
D. The output is null.

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單項(xiàng)選擇題

Given the following code：
public class Person{ static int arr[] = new int[10]；
public static void main（String a[]） {
System.out.println（arr[1]；）
}
}
Which statement is correct？（）

A. When compilation some error will occur.
B. It is correct when compilation but will cause error when running.
C. The output is zero.
D. The output is null.

多項(xiàng)選擇題

Which statements about Java code security are true？（）

A. The bytecode verifier loads all classes needed for the execution of a program.
B. Executing code is performed by the runtime interpreter.
C. At runtime the bytecodes are loaded， checked and run in an interpreter.
D. The class loader adds security by separating the namespaces for the classes of the local file system from those imported from network sources.

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Given the following code： public class Person{ int arr[] = new int[10]； public static void main（String a[]） { System.out.println（arr[1]）； } } Which statement is correct？（）

你可能感興趣的試題

Given the following code： public class Person{ static int arr[] = new int[10]； public static void main（String a[]） { System.out.println（arr[1]；） } } Which statement is correct？（）

Which statements about Java code security are true？（）

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Given the following code：
public class Person{
int arr[] = new int[10]；
public static void main（String a[]） {
System.out.println（arr[1]）；
}
}
Which statement is correct？（）

Given the following code：
public class Person{ static int arr[] = new int[10]；
public static void main（String a[]） {
System.out.println（arr[1]；）
}
}
Which statement is correct？（）

Which statements about Java code security are true？（）