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Topic: Java-conceptual-questions / Level: Beginner
91. What is the difference between float and double in Java?
92. What is a char in Java?
93. What is a boolean in Java?
94. What is the size of int in Java?
95. What is the size of float in Java?
96. What is a method in Java?
97. What is method overloading in Java?
98. What is method overriding in Java?
99. What is recursion in Java?
100. What is the difference between recursion and iteration in Java?
101. What is the use of the return keyword in Java?
102. What is the void keyword in Java?
103. What is the use of public, private, and protected access modifiers?
104. What is the difference between public and default access specifier in Java?
105. What is public static void main(String[] args) in Java?
106. What is a constructor?
107. Can a constructor be private in Java?
108. What is the default constructor?
109. What is a parameterized constructor?
110. What is the use of super() in Java?
111. What is the use of this() in Java?
112. What are static methods in Java?
113. What is the use of static block in Java?
114. Can we overload static methods?
115. Can we override static methods?
116. What is the void return type?
117. What is the instanceof operator in Java?
118. What is type casting in Java?
119. What is the difference between implicit and explicit casting?
120. What is the purpose of the final keyword?
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