NEW QUESTION 1
What makes Java dynamic?

• A. At runtime, classes are loaded as needed, and new code modules can be loaded on demand.
• B. The runtime can process machine language sources as well as executables from different language compilers.
• C. The Java compiler uses reflection to test if class methods are supported by resources of a target platform.
• D. The Java compiler preprocesses classes to run on specific target platforms.

Answer: A

NEW QUESTION 2
Which two are successful examples of autoboxing? (Choose two.)

• A. String a = “A”;
• B. Integer e = 5;
• C. Float g = Float.valueOf(null);
• D. Double d = 4;
• E. Long c = 23L;
• F. Float f = 6.0;

Answer: AB

NEW QUESTION 3
Given:

What is the result?

• A. Map: 0 Keys: 0 Values: 0
• B. The compilation fails.
• C. Map: 4 Keys: 4 Values: 4
• D. Map: 4 Keys: 0 Values: 0
• E. Map: 0 Keys: 4 Values: 4

Answer: D

Explanation:

NEW QUESTION 4
Which three initialization statements are correct? (Choose three.)

• A. int x = 12_34;
• B. short sh = (short)‘A’;
• C. String contact# = “(+2) (999) (232)”;
• D. boolean true = (4 == 4);
• E. float x = 1.99;
• F. int[][] e = {{1,1},{2,2}};
• G. byte b = 10;char c = b;

Answer: ABF

NEW QUESTION 5
Given:

What is the result?

• A. nothing
• B. 10
• C. 0 4 9

Answer: A

NEW QUESTION 6
Given:

Which two methods modify field values? (Choose two.)

• A. setAllCounts
• B. setACount
• C. setGCount
• D. setCCount
• E. setTCount

Answer: AC

NEW QUESTION 7
Given:

Which is true?

• A. The compilation fails due to an error in line 6.
• B. The compilation succeeds.
• C. The compilation fails due to an error in line 4.
• D. The compilation fails due to an error in line 10.
• E. The compilation fails due to an error in line 7.
• F. The compilation fails due to an error in line 9.
• G. The compilation fails due to an error in line 2.

Answer: A

NEW QUESTION 8
Which two commands are used to identify class and module dependencies? (Choose two.)

• A. jmod describe
• B. java Hello.java
• C. jdeps --list-deps
• D. jar --show-module-resolution
• E. java --show-module-resolution

Answer: CE

NEW QUESTION 9
Given:

When is the readObject method called?

• A. before this object is deserialized
• B. after this object is deserialized
• C. before this object Is serialized
• D. The method is never called.
• E. after this object is serialized

Answer: B

NEW QUESTION 10
Which two statements set the default locale used for formatting numbers, currency, and percentages? (Choose two.)

• A. Locale.setDefault(Locale.Category.FORMAT, “zh-CN”);
• B. Locale.setDefault(Locale.Category.FORMAT, Locale.CANADA_FRENCH);
• C. Locale.setDefault(Locale.SIMPLIFIED_CHINESE);
• D. Locale.setDefault(“en_CA”);
• E. Locale.setDefault(“es”, Locale.US);

Answer: BD

NEW QUESTION 11
Given:

When run and all three files exist, what is the state of each reader on Line 1?

• A. All three readers are still open.
• B. All three readers have been closed.
• C. The compilation fails.
• D. Only reader1 has been closed.

Answer: C

NEW QUESTION 12
Given:

What is the output?

• A. :APPLE:ORANGE:BANANAappleorangebanana
• B. :APPLE:ORANGE:BANANA
• C. APPLE:apple ORANGE:orange BANANA:banana
• D. appleorangebanana:APPLE:ORANGE:BANANA
• E. apple:APPLE orange:ORANGE banana:BANANA

Answer: E

Explanation:

NEW QUESTION 13
Given:

Which three classes successfully override printOne()? (Choose three.)

• A. Option A
• B. Option B
• C. Option C
• D. Option D
• E. Option E
• F. Option F

Answer: ACD

NEW QUESTION 14
Given:

What is the output?

• A. Hello world!Bonjour le monde!
• B. Hello world!Hello world!
• C. Bonjour le monde!Hello world!
• D. Bonjour le monde!Bonjour le monde!

Answer: C

Explanation:

NEW QUESTION 15
Given:

Which expression when added at line 1 will produce the output of 1.17?

• A. float z = (float)(Math.round((float)x/y*100)/100);
• B. float z = Math.round((int)(x/y),2);
• C. float z = Math.round((float)x/y,2);
• D. float z = Math.round((float)x/y*100)/(float)100;

Answer: D

Explanation:

NEW QUESTION 16
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