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Total No Of Questions: 100.
1) Given:
class Sixties {
public static void main(String[] args) {
int x = 5;
int y = 7;
System.out.print(((y * 2) % x));
System.out.print(" " + (y % x));
}
}
What is the result?



2)

Given:
55. int [] x = {1, 2, 3, 4, 5};
56. int y[] = x;
57. System.out.println(y[2]);

Which statement is true?



3) Given:
import java.io.*;
class Directories {
static String [] dirs = {"dir1", "dir2"};
public static void main(String [] args) {
for (String d : dirs) {
// insert code 1 here
File file = new File(path, args[0]);
// insert code 2 here
}
}
}
and that the invocation
java Directories file2.txt
is issued from a directory that has two subdirectories, "dir1" and "dir1", and that "dir1" has a
file "file1.txt" and "dir2" has a file "file2.txt", and the output is "false true", which
set(s) of code fragments must be inserted? (Choose all that apply.)



4)

Given:

ArrayList a = new ArrayList();
containing the values {“1”, “2”, “3”, “4”, “5”, “6”, “7”, “8”}
Which code will return 2?



5) Given:
1. public class Threads3 implements Runnable {
2. public void run() {
3. System.out.print("running");
4. }
5. public static void main(String[] args) {
6. Thread t = new Thread(new Threads3());
7. t.run();
8. t.run();
9. t.start();
10. }
11. }
What is the result?



6) Given:
11. class Converter {
12. public static void main(String[] args) {
13. Integer i = args[0];
14. int j = 12;
15. System.out.println("It is " + (j==i) + " that j==i.");
16. }
17. }
What is the result when the programmer attempts to compile the code and run it with the command java Converter 12?



7)

Given:
11. static void test() {
12. try {
13. String x = null;
14. System.out.print(x.toString() + " ");
15. }
16. finally { System.out.print("finally "); }
17. }
18. public static void main(String[] args) {
19. try { test(); }
20. catch (Exception ex) { System.out.print("exception "); }
21. }

What is the result?



8)

Given:
10. package com.sun.scjp;
11. public class Geodetics {
12. public static final double DIAMETER = 12756.32; // kilometers
13. }

Which two correctly access the DIAMETER member of the Geodetics class? (Choose two.)



9) Given a properly prepared String array containing five elements, which range of results could a proper invocation of Arrays.binarySearch() produce?


10) Given:
1. public class TestString1 {
2. public static void main(String[] args) {
3. String str = "420";
4. str += 42;
5. System.out.print(str);
6. }
7. }
What is the output?

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