Wipro Project Engineer Interview Questions, Process, and Tips

Just a formal aptitude round with some analytic problem and some maths problem and some programming related question

Q1. How to swap 2 string.
Ans. 
To swap two strings, use a temporary variable to hold one string and then assign the other string to the first variable.
• Create a temporary variable to hold one of the strings

• Assign the value of the first string to the temporary variable

• Assign the value of the second string to the first variable

• Assign the value of the temporary variable to the second variable
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Q2. Different between string, stringbuilder, stringbuffer.
Ans. 
String, StringBuilder, and StringBuffer are classes used to manipulate strings in Java.
• String is immutable, meaning its value cannot be changed once created.

• StringBuilder and StringBuffer are mutable, allowing for efficient manipulation of strings.

• StringBuilder is not thread-safe, while StringBuffer is thread-safe.

• Use StringBuilder for single-threaded operations and StringBuffer for multi-threaded operations.
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Q1. Introduction, Salary discussion and family background, strenght and weakness.
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Java and coding related aptitude test

Q1. General questions on coding
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Q1. Introduce yourself Basic questions on the skills we mentioned in the resume Knowledge on latest technologies How to handle hard scenarios
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Q1. Mostly resume summamry
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Q2. About yourself self introduction
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Lot of questions of aptitude and reasoning and it easy to clear

2 programs 1 easy 1 moderate

Q1. Its mix technical and hr round basics of oops
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Q2. Oops Basics or language you prefer
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Every topic in aptitude

Medium level coding, like swap,and problem based question

Q1. Basic questions
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Q2. Technical question from java
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Q3. What is your weekness?
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Q4. Why should we hire you?
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Q5. What is your strength?
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