DXC Technology EDI Developer Interview Questions and Answers for Experienced

Speed and distance, Time Duration, profit, blood Relation, clock, seasons

SQL, Java Programming, HTML and CSS

Q1. About past experiences
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Time keeping

Q1. Basic SAP ABAP questions
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Q1. Technical questions related to SAP ABAP
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Q1. 1.oops concepts and spring basic questions
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Q2. About over loading and over riding and examples
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Q3. String buffer and string boot difference
Ans. 
String buffer is mutable while string builder is not. String builder is faster but not thread-safe.
• String buffer is synchronized and thread-safe, while string builder is not.

• String builder is faster than string buffer because it is not synchronized.

• String buffer is mutable, meaning it can be changed after creation, while string builder is immutable.

• Example: StringBuffer sb = new StringBuffer(); StringBuilder sb = new S
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Q4. Finding the Missing number in the program
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Use XOR operation to find the missing number in an array of integers.
• Iterate through the array and XOR all the elements with their indices.

• Then XOR the result with the indices from 0 to n.

• The final result will be the missing number.
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Q1. Discussion about some basic questions related to java and other related are wages
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Q1. Internal working of hashmap
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HashMap is a data structure that stores key-value pairs and uses hashing to retrieve values quickly.
• HashMap uses an array to store the key-value pairs

• The key is hashed to find the index in the array where the value is stored

• If two keys hash to the same index, a linked list is used to store multiple values

• HashMap uses load factor to determine when to resize the array

• HashMap is not thread-safe, but ConcurrentHashMap is
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Q2. String difference between equals and ==
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Equals compares the content of two strings, while == compares their references.
• Equals method checks if two strings have the same content.

• == operator checks if two strings refer to the same object in memory.

• Equals method is case-sensitive by default, but can be made case-insensitive.

• Example: String str1 = "hello"; String str2 = "hello"; str1.equals(str2) returns true, str1 == str2 returns true because of string internin...read more
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