A "pure" object-oriented language must always use classes.

Answer the following statement true (T) or false (F)

True

Computer Science & Information Technology

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Discuss the primary benefit in three-point duration estimating.

What will be an ideal response?

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Computer Science & Information Technology

What will be the output of the following program?

import java.util.HashMap; import java.util.Map; public class Program { public static void main(String... args) { Key k1 = new Key(); Key k2 = new Key(); Map map = new HashMap<>(); map.put(k1, "value1"); map.put(k2, "value2"); System.out.println(map.get(k1)); System.out.println(map.get(k2)); } } class Key { public boolean equals(Object o) { return true; } public int hashCode() { return 1; } } a. value2 value2 b. null null c. value1 value2 d. A Runtime Exception will be thrown.

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Computer Science & Information Technology

The ____ tools let you insert a graphic of an open window or capture and paste a screen shot of another document.

A. Preview B. Screenshot C. Print Screen D. Screen Capture

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Computer Science & Information Technology

________ programs reduce the size of files so they require less storage space and can be sent more efficiently over the Internet.

A. Disk cleanup B. File compression C. Disk defragmenter D. File history

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Computer Science & Information Technology