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Q81. Given: 

And the commands: 

Javac Test.java 

Java Test 12345 

What is the result? 

A. Number us : 12345 

B. A NullPointerException is thrown at runtime 

C. A NumberFormatException is thrown at runtime 

D. AnArrayIndexOutOfBoundException is thrown at runtime. 

Answer:


Q82. Given the code fragment: 

Which code fragment prints blue, cyan, ? 

A. Option A 

B. Option B 

C. Option C 

D. Option D 

Answer:


Q83. Given the code fragment: 

What is the result? 

A. 28false29 true 

B. 285 < 429 true 

C. true true 

D. compilation fails 

Answer:


Q84. Given: 

What is the result? 

A. true true 

B. true false 

C. false true 

D. false false 

E. Compilation fails 

Answer:


Q85. Which two statements are true for a two-dimensional array of primitive data type? 

A. It cannot contain elements of different types. 

B. The length of each dimension must be the same. 

C. At the declaration time, the number of elements of the array in each dimension must be 

specified. 

D. All methods of the class object may be invoked on the two-dimensional array. 

Answer: CD 


Q86. Which declaration initializes a boolean variable? 

A. boolean h = 1; 

B. boolean k = 0; 

C. boolean m = null; 

D. boolean j = (1 < 5); 

Answer:


Q87. given: 

A. ns = 50 S = 125 

ns = 125 S = 125 

ns = 100 S = 125 

B. ns = 50 S = 125 

ns = 125 S = 125 

ns = 0 S = 125 

C. ns = 50 S = 50 

ns = 125 S = 125 

ns = 100 S = 100 

D. ns = 50 S = 50 

ns = 125 S = 125 

ns = 0 S = 125 

Answer:


Q88. for ( expr1 ; expr2 ; expr3 ) { 

statement; 

Which two statements are true? 

A. This is not the only valid for loop construct; there exits another form of for loop 

constructor. 

B. The expression expr1 is optional. it initializes the loop and is evaluated once, as the loop 

begin. 

C. When expr2 evaluates to false, the loop terminates. It is evaluated only after each 

iteration through the loop. 

D. The expression expr3 must be present. It is evaluated after each iteration through the 

loop. 

Answer: BC 


Q89. Given: 

Which code fragment, when inserted at line 7, enables the code print true? 

A. Option A 

B. Option B 

C. Option C 

D. Option D 

Answer:


Q90. View the exhibit: 

public class Student { 

public String name = ""; 

public int age = 0; 

public String major = "Undeclared"; 

public boolean fulltime = true;  

public void display() { 

System.out.println("Name: " + name + " Major: " + major); } 

public boolean isFullTime() { 

return fulltime; 

Given: 

Public class TestStudent { 

public static void main(String[] args) { 

Student bob = new Student (); 

bob.name = "Bob"; 

bob.age = 18; 

bob.year = 1982; 

What is the result? 

A. year is set to 1982. 

B. bob.year is set to 1982 

C. A runtime error is generated. 

D. A compile time error is generated. 

Answer: