All Difference in Java in One Place
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Table of Content:
- Question 1: Are there any performance differences between the following two import statements?
import javax.swing.JOptionPane;
import javax.swing.*; - Question 2: What's the difference between constructors and other methods?
- Question 3: What is the difference between a break statement and a continue statement?
- Question 4: What is the difference between the >> and >>> operators?
- Question 5: What is the difference between the size and capacity of a Vector?
- Question 6: Differentiate between for loop and a while loop? What are its uses?
- Question 7: What is the difference between actual and formal parameters?
- Question 8: What is the difference between the = symbol and == symbol?
- Question 9: What is the difference between while and do-while loops in C and Java?
- Question 10: Differentiate between private and protected visibility modifiers.
- Question 11: Differentiate Source Codes from Object Codes
- Question 12: Difference between constructor and method in Java
- Question 13: What is the difference between C and Java?
- Question 14: Write the difference between Polymorphism and Encapsulation.
- Question 15: State the difference between entry controlled loop and exit controlled loop.
- Question 16: Give one example each of a primitive data type and a composite data type.
- Question 17: Give one point of difference between unary and binary operators.
- Question 18: Give a difference between a constructor and a method.
- Question 19: Write the difference between Polymorphism and Encapsulation.
- Question 20: What is difference between float and double in Java?
- Question 21: Differentiate between static and non-static data members.
- Question 22: Differentiate between formal parameter and actual parameter.
- Question 23: Write one difference between / and % operator.
- Question 24: Differentiate between constructor and function.
- Question 25: Differentiate between searching and sorting.
- Question 26: Write the difference between
lengthandlength()functions. - Question 27: Write one difference between Linear Search and Binary Search. Java Language
- Question 28: Differentiate between call by value or pass by value and call by reference or pass by reference. Java Language
- Question 29: Differentiate between public and private modifiers for members of a class.
- Question 30: How are private members of a class different from public members?
- Question 31: State the difference between while and do while loop.
- Question 32: State the difference between == operator and equals() method.
- Question 33: Write a difference between the functions isUpperCase( ) and toUpperCase( ).
- Question 34: Comparison between if-else if and switch-case
- Question 35:
(a) Differentiate between if else if and switch-case statements
(b) Give the output of the following code:
<span class="pln"> </span><span class="typ">String</span><span class="pln"> P </span><span class="pun">=</span><span class="pln"> </span><span class="str">"20"</span><span class="pun">,</span><span class="pln"> Q </span><span class="pun">=</span><span class="str">"19"</span><span class="pun">;</span><span class="pln"> </span><span class="kwd">int</span><span class="pln"> a </span><span class="pun">=</span><span class="pln"> </span><span class="typ">Integer</span><span class="pun">.</span><span class="pln">parseInt</span><span class="pun">(</span><span class="pln">P</span><span class="pun">);</span><span class="pln"> </span><span class="kwd">int</span><span class="pln"> b </span><span class="pun">=</span><span class="pln"> </span><span class="typ">Integer</span><span class="pun">.</span><span class="pln">valueOf</span><span class="pun">(</span><span class="pln">Q</span><span class="pun">);</span><span class="pln"> </span><span class="typ">System</span><span class="pun">.</span><span class="kwd">out</span><span class="pun">.</span><span class="pln">println</span><span class="pun">(</span><span class="pln">a</span><span class="pun">+</span><span class="str">""</span><span class="pun">+</span><span class="pln">b</span><span class="pun">);</span> (c) What are the various types of errors in Java?
(d) State the data type and value of res after the following is executed:
<span class="pln"> </span><span class="kwd">char</span><span class="pln"> ch </span><span class="pun">=</span><span class="pln"> </span><span class="str">'9'</span><span class="pun">;</span><span class="pln"> res</span><span class="pun">=</span><span class="pln"> </span><span class="typ">Character</span><span class="pun">.</span><span class="pln">isDigit</span><span class="pun">(</span><span class="pln">ch</span><span class="pun">);</span> (e) What is the difference between the linear search and the binary search technique?
- Question 36: Write a difference between class and a object
- Question 37: Question 2
Related Questions
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