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Catalog 1. Basic concept of stack2. Java simulation simple sequential stack implementation3. Enhanced function stack4. Using stack to realize string reverse order5. Use stack to judge whether separator matches 6, summary 1. Basic concept of stack Stack is also called stack or stack. As a data structure, stack is a special linear table that can ...

Environmental preparation Kafka Version: kafka_2.10-0.10.2.0 (2.10 for Scala version 0.10.2.0 for Kafka version) Official download address: http://kafka.apache.org/downloads Zookeeper Version: zookeeper-3.4.13 Official download address: http://zookeeper.apache.org/releases.html JDK Version: jdk1.8.0_ Official download address: h ...

​ This is the fourth article in the Spring Cloud column. Understanding the first three articles will help you better understand this article: First Spring Cloud | An overview of the Spring Cloud preamble and its common components Spring Cloud Part 2 | Use and Know the Eureka Registry Spring Cloud Article 3 | Build a highly available Eurek ...

Preface MyBatis provides a powerful extension function, that is, the plugins function of MyBatis. MyBatis allows you to intercept and call at a point during the execution of mapped statements. After interception, you can add some customized functions to existing methods, such as common page splitting functions. When you try to modify or rewrit ...

I. overview Java Agent is introduced from JDK 1.5 and later. Its function is equivalent to an interceptor before your main function, that is, before executing the main function, execute the code in the Agent first. The Agent code runs in the same JVM as your main method and is loaded by the same classloader and managed by the same security po ...

java using JNI to call C under Linux++ 1.JNI introduction JNI is Java Native Interface(Java local interface), which is a protocol. Its main function is to realize java calling C / C + + code (Class Library), or C / C + + calling java code 2. prepare JNI First, use java h to generate. H header file according to. java file, ...

Preface to the night light: Cherry trees can't keep the pace of March. ~ ~   Text: AOP   The underlying principle of aspect oriented programming is dynamic agent implementation. If there is interface implementation for the aspect strategy, the dynamic proxy technology of JDK is used; if there is no interface implementa ...

Encoding and transcoding of jdk1.8 base64 Practical scenario Recently, there is a need to download the image to the local according to its url, and the client cannot access the url and can only receive Base64 image code. Therefore, it is decided to use the base64 provided by jdk for encoding and transcoding storage. Episode Two tool classes a ...

I. Linux version 2. Copy and paste multiple jdks, as follows cp -R jdk1.7.0_80/ jdk1.7.0_80-2 cp -R jdk1.7.0_80/ jdk1.7.0_80-3 3. Configure multiple JDK environment variables Add the following after the / etc/profile file # JDK1 environment configuration export JAVA_HOME=/usr/local/program/jdk1.7.0_80 export JRE_HOME=$JAVA_HOME/jre export ...

In addition to using synchronized, Lock locking, there are many tool classes in Java that can solve concurrency problems without locking   1. Atomic Tools In JDK 1.8, the classes under the java.util.concurrent.atomic package are all atomic classes, which are based on the implementation of sun.misc.Unsafe. To solve concurrency problems, the ...