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- Java implements word guessing game
- The package needs to be imported into the class created by the project: [import java.util.Scanner;].
- Javagetting Started 2794 2020-10-29 15:19:00
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- java implements custom class loader
- Getting started with java: This article introduces you to the method of implementing a custom class loader. It has certain reference value and I hope it can help you.
- Javagetting Started 2382 2020-10-28 16:42:56
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- Java implements exporting excel files
- This article introduces the method of exporting excel files, which has certain reference value. I hope it can help everyone.
- Javagetting Started 3377 2020-10-27 17:14:35
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- How to convert array to list collection in java?
- Methods to convert an array into a list collection in Java: 1. Use the native method and use a for() loop to split the array and add it to the List; 2. Use the Arrays.asList() method; 3. Use Collections.addAll( ) method; 4. Use the List.of() method.
- Javagetting Started 61002 2020-10-30 16:50:32
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- What is the shortcut key for eclipse comments?
- The shortcut keys for eclipse comments are: 1. "Ctrl+/" shortcut key, the selected code will be commented out by "//"; 2. "Ctrl+Shift+C" shortcut key, the selected code will be commented out by "//" 3. "Ctrl+Shift+/" shortcut key, the selected code will be surrounded by "/*" and "*/" and commented out.
- Javagetting Started 7092 2020-10-30 16:50:55
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- Java prints all prime numbers within N
- Getting started with java: This article shares with you the method of printing all prime numbers within N. It has certain reference value and I hope it can help everyone.
- Javagetting Started 2886 2020-10-26 16:06:40
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- Is an interface in java a special abstract class?
- The interface in Java is a special abstract class. All methods in the interface are abstract methods, and all properties in the interface are constants; that is, there are only method definitions in the interface but no method implementation. Interfaces are a means to solve the problem that Java cannot use multiple inheritance, but in practice, interfaces play more of a role in setting standards.
- Javagetting Started 5305 2020-10-26 16:00:32
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- Do all classes in Java have a parameterless constructor by default?
- When there is no constructor defined, each class has a default no-argument constructor. At this time, the class has only one constructor; and when you explicitly define the constructor of the class, there is no default constructor. , all the constructors of this class are those defined.
- Javagetting Started 5990 2020-10-26 15:32:38
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- What are the 5 steps to connect to the database using jdbc
- The five steps for jdbc to connect to the database are: 1. Load the driver; 2. Connect to the database and determine whether the connection is successful; 3. Create a Statement object; 4. Execute the SQL statement; 5. Print the results and close the resources and database.
- Javagetting Started 15623 2020-10-26 15:32:27
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- What are the new features of java8
- The new features of java8 are: 1. Lambda expression; 2. Method reference; 3. Default method; 4. New compilation tool; 5. Stream API; 6. Date Time API; 7. Option; 8. Nashorn javascript engine.
- Javagetting Started 49975 2020-10-26 15:32:12
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- Are overriding and overloading of methods in Java different manifestations of polymorphism?
- Yes, overriding and overloading of methods in Java are different manifestations of polymorphism; overriding is a manifestation of polymorphism between parent classes and subclasses, and overloading is a class A manifestation of polymorphism.
- Javagetting Started 5623 2020-10-23 15:59:25
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- Java implements deleting the intermediate node of a linked list
- This article shares with you the method of deleting the intermediate nodes of the linked list. It has certain reference value and I hope it can help everyone.
- Javagetting Started 2466 2020-10-23 15:43:55
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- How to get the current date in java
- How to get the current date in java: directly instantiate the Date class located in the Java package java.util, such as [Date date = new Date();].
- Javagetting Started 63072 2020-10-23 14:38:05
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- Three ways to calculate the sum of positive integers within 100 in Java
- Getting Started with Java: This article shares three methods for calculating the sum of positive integers within 100. It has certain reference value and I hope it can help everyone.
- Javagetting Started 3689 2020-10-22 18:16:09
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- What is the function of final keyword in java
- The functions of the final keyword in Java: 1. Used to modify a reference; 2. Used to modify a method; 3. Used to modify a class. When a method is final modified, this method will become the final method and cannot be overridden by subclasses.
- Javagetting Started 33140 2020-10-22 10:40:36
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