Java Coding Interview questions for freshers and experienced

Learn to count words in a sentence and their character counts in Java. Convert the string to a character array, build words, and print each word’s length.

Delete an element from a specific index in a Java array by creating a second array of size n-1 and copying all other elements around the index.

Learn how to read a matrix from the console in Java by capturing rows and columns with a scanner, storing elements in a two-dimensional array, and displaying the matrix.

Print the character count of each word in a sentence in Java by converting the string to a character array, splitting on spaces, and iterating to measure words.

Reverse the words in a string in Java by splitting on spaces and iterating from the end to print words in reverse order.

Write a Java program that reverses array elements in place using low and high indices, swapping outer elements without extra arrays, and understand the step-by-step logic.

Learn how to insert an element into a Java array at a given position by shifting subsequent values, checking capacity, and updating indices, with a step-by-step example.

Learn to write a java program that left rotates an array by one position, using a temp variable to shift elements and move the first element to the last.