Senior Associate Java Developer Interview Questions and Answers

Hibernate many to many mapping allows for a relationship where multiple instances of one entity are related to multiple instances of another entity.

• Use @ManyToMany annotation in Hibernate to establish many to many relationship between entities

• Create a join table to store the relationship between the two entities

• Specify the mapping details such as cascade type, fetch type, and join column details

Use two pointers approach to sort 0's to end of array of strings.

• Initialize two pointers, one for iterating through the array and one for placing 0's at the end.

• If current element is '0', swap it with the element at the second pointer and move the second pointer forward.