How to replace all occurrences of a given object in the list?

The java.util.Collections class consists exclusively of static methods that operate on or return collections. It contains polymorphic algorithms that operate on collections, “wrappers”, which return a new collection backed by a specified collection, and a few other odds and ends. Collections.replaceAll() method will replaces all occurrences of one specified value in a list with another. … Read more

How to create multiple copies of a given object?

The java.util.Collections class consists exclusively of static methods that operate on or return collections. It contains polymorphic algorithms that operate on collections, “wrappers”, which return a new collection backed by a specified collection, and a few other odds and ends. Collections.nCopies() method will returns an immutable list consisting of n copies of the specified object. … Read more

How to get min element of a list of user defined objects using Comparator?

The java.util.Collections class consists exclusively of static methods that operate on or return collections. It contains polymorphic algorithms that operate on collections, “wrappers”, which return a new collection backed by a specified collection, and a few other odds and ends. Example   Output   Java Collections class examples Java Collections class How to add all … Read more

How to get max element of a list of user defined objects using Comparator?

The java.util.Collections class consists exclusively of static methods that operate on or return collections. It contains polymorphic algorithms that operate on collections, “wrappers”, which return a new collection backed by a specified collection, and a few other odds and ends. Example   Output   Java Collections class examples Java Collections class How to add all … Read more

How to get min element of a list of user defined objects?

The java.util.Collections class consists exclusively of static methods that operate on or return collections. It contains polymorphic algorithms that operate on collections, “wrappers”, which return a new collection backed by a specified collection, and a few other odds and ends. Collections.min() method will returns the minimum element of the given collection, according to the natural … Read more

How to get max element of a list of user defined objects?

The java.util.Collections class consists exclusively of static methods that operate on or return collections. It contains polymorphic algorithms that operate on collections, “wrappers”, which return a new collection backed by a specified collection, and a few other odds and ends. Collections.max() method will returns the maximum element of the given collection, according to the natural … Read more

How to get min element from the given list?

The java.util.Collections class consists exclusively of static methods that operate on or return collections. It contains polymorphic algorithms that operate on collections, “wrappers”, which return a new collection backed by a specified collection, and a few other odds and ends. Collections.min() method will returns the minimum element of the given collection, according to the natural … Read more

How to get max element from the given list?

The java.util.Collections class consists exclusively of static methods that operate on or return collections. It contains polymorphic algorithms that operate on collections, “wrappers”, which return a new collection backed by a specified collection, and a few other odds and ends. Collections.max() method will returns the maximum element of the given collection, according to the natural … Read more

How to get last index of a sub list from another list?

The java.util.Collections class consists exclusively of static methods that operate on or return collections. It contains polymorphic algorithms that operate on collections, “wrappers”, which return a new collection backed by a specified collection, and a few other odds and ends. Collections.lastIndexOfSubList () method will returns the starting position of the last occurrence of the specified … Read more

How to get index of a sub list from another list?

The java.util.Collections class consists exclusively of static methods that operate on or return collections. It contains polymorphic algorithms that operate on collections, “wrappers”, which return a new collection backed by a specified collection, and a few other odds and ends. Collections.indexOfSubList() method will returns the starting position of the first occurrence of the specified target … Read more