java试卷（java试卷）.doc

java试卷(java试卷)
language has many advantages and characteristics. Which of the following options reflects the characteristics of the Java program parallel mechanism? (B)
A. security, B., multi linear C., cross platform D. portability
2. which of the following is ponent of a container? (B)

3. if you want all the controls to be evenly arranged on the interface, what kind of layout manager should you use? (D)

4. mands for running the piler are: (A)

5. mands used to run the Java application below are: (D)

6. commands for running Java applet applications (C)

In , classes in Swing and AWT are generally divided into the following two categories (B)
A. controls and windows B. containers and controls, C. parts and controls, D. forms and panels
8. which of the following is the key word in the Java language? (B)
C. NULL
What is the value of the main () function in ? (D)

10. which of the following is the legal parameter of the main () function? (C)
args[] args[][] arg[] args
11. the main method of the application has the following statement, then the output result is (A).
String s1= "", s2= "12"";
Double x= (S1);
Int y= (S2);
(x+y);
D. """
12. the main method of the application has the following statement, then the output result is (A).
Int[] x={122,33,55678, -987};
Int max=x[0];
For (int i=1; i<; i++) {
If (x[i]>max)
Max=x[i];
}
(max);

13. the statement used to import defined classes or packages is (B)
class
14. "+ +" operator operation number is (A)
,
15. in t