Mostly asked on Advanced Java.
Java Software Developer Interview Questions
3,069 java software developer interview questions shared by candidates
then, they will give you a take home homework where you need to create API using spring boot.
What kind of job are you looking for?
oops concept, star pattern, constructor, final ,sql, constraints, project, jde,
OOPs, JDK,JRE,JVM, Exception handling, Collections - Arraylist vs linkedlist, internal working of hashmap, Vector, treeset, anonymous inner class, try with resources, core java concepts like static, final, main method related questions, Hibernate & Spring concepts, questions based on your resume
Java ==== explain your project. what is JVM ? what is JRE ? what is JDK ? difference between method overloading and method overriding ? difference between String literal and String object ? Difference between comaparable and comparator ? Difference between hashmap and hashtable ? what is SCP ?(String constant pool) declear HashMap. what is output follwoing code ? String s= new String("Shrishail"); String s1= new String("Shrishail"); System.out.println(s==s1); // flase - because in string assignment operator is check address location not contains. String s="Shrishail"; String s1="Shrishail"; System.out.println(s==s1); // true write one program using Comparator ? write one code String input ="Shrishail is my name"; Output = name my is Shrishail Adavance java ============= steup for jdbc what resultset ? difference between statement and Preparedstatement which one better statement or PreparedStatement. what is Statement ? what is PreparedStatement ? Sql === write query employee table where department is Developing write query for second maximum salary; what are type of aggregate function.
coding problem: palindrome leetcode problem
easy to medium coding question, Java basic concept (OOP, abstract class vs interface, ...), Multithreading, exception handling, sql basics (differnt types of joins).
Basic questions you could find if you search "java interview questions" (new features in java 8, overriding vs overloading, etc.), and some questions in SQL as well (what are the types of joins?).
how concurrent hashmap works internally
Viewing 561 - 570 interview questions