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Java SE 8 Programmer II

Last Update Aug 28, 2025
Total Questions : 208 With Comprehensive Analysis

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Last Update Aug 28, 2025
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Java SE 8 Programmer II Questions and Answers

Questions 1

Given:

class CheckClass {

public static int checkValue (String s1, String s2) {

return s1 length() – s2.length();

}

}

and the code fragment:

String[] strArray = new String [] {“Tiger”, “Rat”, “Cat”, “Lion”}

//line n1

for (String s : strArray) {

System.out.print (s + “ “);

}

Which code fragment should be inserted at line n1 to enable the code to print Rat Cat Lion Tiger?

Options:

A.

Arrays.sort(strArray, CheckClass : : checkValue);

B.

Arrays.sort(strArray, (CheckClass : : new) : : checkValue);

C.

Arrays.sort(strArray, (CheckClass : : new).checkValue);

D.

Arrays.sort(strArray, CheckClass : : new : : checkValue);

Questions 2

Given:

What change should you make to guarantee a single order of execution (printed values 1 -100 in order)?

Options:

A.

Line 3: public synchronized void run() {

B.

Line 1: class MyClass extends Thread {

C.

Line 2: public volatile int value;

D.

Line 2: public synchronized int value;

Questions 3

Which action can be used to load a database driver by using JDBC3.0?

Options:

A.

Add the driver class to the META-INF/services folder of the JAR file.

B.

Include the JDBC driver class in a jdbc.properties file.

C.

Use the java.lang.Class.forName method to load the driver class.

D.

Use the DriverManager.getDriver method to load the driver class.

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