how to prepare for java interview

String3 for Java programmer test interview and string3 for java programmer Public class SameString {// thought 2: each character corresponds to its own ASC code. The algorithm complexity of the first idea is O (nlogn ), generally, space can be used to reduce the time complexity. // an array space with a size of 256 can be opened up and 256 array elements are set

[LeetCode-interview algorithm classic-Java implementation] [057-Insert Interval (Insert Interval)], leetcode -- java [057-Insert Interval (Insert Interval )][LeetCode-interview algorithm classic-Java implementation] [directory indexes for all questions]Original question Give

[LeetCode-interview algorithm classic-Java implementation] [217-Contains Duplicate (including Duplicate elements)], leetcode -- java [217-Contains Duplicate (including Duplicate elements )][LeetCode-interview algorithm classic-Java implementation] [directory indexes for all

Today to share the Java focus on the wrong part of the point, but also the interview needs of all students to prepare, welcome to communicate correct.The main method in 1.java is a static method, that is, the code in the method is stored in a static storage area.2. Any static code block will be executed before the main

This is an example that shows how to use the Join () method.Problem:Computes the value of an expression 1*2/(1+2) using Java multithreading.Solution:Use one thread to do the addition, the other to do the multiplication, and the main thread to do the division. Because there is no need for communication between threads, we only need to consider the order in which threads are executed.In the main thread, we let the addition and multiplication threads joi

[LeetCode-interview algorithm classic-Java implementation] [056-Merge Intervals (range Merge)], leetcode -- java [056-Merge Intervals (Merge Intervals )][LeetCode-interview algorithm classic-Java implementation] [directory indexes for all questions]Original question Given a

[LeetCode-interview algorithm classic-Java implementation] [215-Kth Largest Element in an Array (number of K in the Array)], leetcode -- java [215-Kth Largest Element in an Array (number of K in the Array )][LeetCode-interview algorithm classic-Java implementation] [director

ability and other aspects of the condition of the same situation , English is good except that you can get more opportunities, salary can be 1000 yuan higher. When you use the final keyword to decorate a variable, is the reference immutable or does the referenced object not change?When you use the final keyword to decorate a variable, it means that the reference variable cannot be changed, and the contents of the object to which the reference variable is pointing can be changed. For example, fo

Java exception architecture diagram and several interview questions, java architecture diagram questions 1. java exception Architecture The pink ones are checked exceptions, which must be captured by the try {} catch Block or declared by the throws clause in the method signature. the CHecked Exception must be captured

[LeetCode-interview algorithm classic-Java implementation] [014-Longest Common Prefix (Longest Common Prefix)], leetcode -- java [014-Longest Common Prefix (Longest Common Prefix )][LeetCode-interview algorithm classic-Java implementation] [directory indexes for all question

[LeetCode-interview algorithm classic-Java implementation] [012-Integer to Roman (number to Rome character)], leetcode -- java [012-Integer to Roman )][LeetCode-interview algorithm classic-Java implementation] [directory indexes for all questions]Original question Given an i

[LeetCode-interview algorithm classic-Java implementation] [011-ContainerWithMostWater (the most water)], leetcode -- java [011-ContainerWithMostWater (Maximum capacity of water )][LeetCode-interview algorithm classic-Java implementation] [directory indexes for all questions

[LeetCode-interview algorithm classic-Java implementation] [007-Reverse Integer (Flip Integer)], leetcode -- java [007-Reverse Integer (Flip Integer )][LeetCode-interview algorithm classic-Java implementation] [directory indexes for all questions]Original question Reverse di

[LeetCode-interview algorithm classic-Java implementation] [006-ZigZag Conversion (Z-type Conversion)], leetcode -- java [006-ZigZag Conversion (Z-type Conversion )][LeetCode-interview algorithm classic-Java implementation] [directory indexes for all questions]Original quest

[LeetCode-interview algorithm classic-Java implementation] [008-String to Integer (atoi) (String to Integer)], leetcode -- java [008-String to Integer (atoi) (String to Integer )][LeetCode-interview algorithm classic-Java implementation] [directory indexes for all questions]

[LeetCode-interview algorithm classic-Java implementation] [021-Merge Two Sorted Lists (Merge Two Sorted Single-Chain tables)], leetcode -- java [021-Merge Two Sorted Lists )][LeetCode-interview algorithm classic-Java implementation] [directory indexes for all questions]Orig

[LeetCode-interview algorithm classic-Java implementation] [029-Divide Two Integers (Division of Two Integers)], leetcode -- java [029-Divide Two Integers (Division of Two Integers )][LeetCode-interview algorithm classic-Java implementation] [directory indexes for all questi

[LeetCode-interview algorithm classic-Java implementation] [024-Swap Nodes in Pairs (node of the paired exchange single-chain table)], leetcode -- java [024-Swap Nodes in Pairs (node of the paired exchange single-chain table )][LeetCode-interview algorithm classic-Java imple

[LeetCode-interview algorithm classic-Java implementation] [063-Unique Paths II (Unique path Question II)], leetcode -- java [063-Unique Paths II (Unique path Problem II )][LeetCode-interview algorithm classic-Java implementation] [directory indexes for all questions]Origina

[LeetCode-interview algorithm classic-Java implementation] [100-Same Tree (whether the two sides are the Same)], leetcode -- java [100-Same Tree (whether the two trees are the Same )][LeetCode-interview algorithm classic-Java implementation] [directory indexes for all questi