java basics book

JAVA basics: quot; Exception Mechanism quot; in Java in-depth study-Linux general technology-Linux programming and kernel information. The following is a detailed description. This article aims to explore the deep principles of Java "exception mechanism", so the usage of "exception" is not described in detail. First,

individual threads.There is a possibility that an oom exception will occur in these memory areas.Thread level Program counter: Each thread will have a program counter, this in debug when the track to go to which step. The program counters use very little memory, and this part does not produce OOM exceptions! Java Virtual machine stack: As the name implies, the Java Virtual machine stack is in

In the previous blog post, the basics of Java practice (I) Java language features we introduced several features of the Java language. Today we will introduce the composition of the Java language.The so-called Java composition mai

Java basics-knowledge about jar packages, Java jar packages Before learning the jar package, you must first understand the Java package and related concepts about the Java package. I. Package Java provides a package mechanism to b

JAVA basics: Let's talk about how to use enumeration in Java-general Linux technology-Linux programming and kernel information. The following is a detailed description. Programmers from C ++ to Java always complained a lot at the beginning, but not enumeration is a very prominent problem. Why does

Java basics-encapsulation and java Encapsulation I recently learned about Java object-oriented knowledge, but I haven't had time to update my blog, because this knowledge point is really around. It takes me a whole day to differentiate constructors and methods. Now I want to repeat the knowledge point again. First, we

JAVA basics-common classes that must be understood in JavaCommon classes that must be understood in Java I. Packaging classes I believe that you are familiar with basic data types, such as int, float, double, boolean, and char. Basic data types do not have the characteristics of objects. For example, basic data types cannot call methods and have simple functions

Java basics-Explanation of Chinese Characters in Java Author: posting date: 2006.06.05 Source: jspcn [Java area] [security area] [network management area] [Linux area] [access forum] [It blog] [Eclipse] [PHP] [DB2] [Ajax] [struts] [Spring] [Source C

method of the Runnable interface. The author of the Java programming idea wrote in the book that the naming of the Runnable interface is inaccurate, and that task is more appropriate. The class that implements the interface, indicates that the class can run in parallel running method, that is, run statement execution is not continuous, it is likely to T1 time to execute the first one, T3 time to execute th

spaces the default initialization value is NULL. Acquisition of the length of a two-dimensional array: The length of the two-dimensional array is obtained by arr.length, and the number of one-dimensional arrays in the two-dimensional array is obtained. Such as: int [] arr = new int[3][2]; The value of Arr.length is 3. Arr[0].length gets the length of the first one-dimensional array. By the world is my bed -------------------------------------------------------------