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GeezerVison is showing overapi.com — Java Cheat Sheet | OverAPI.com

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  • Git
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  • HTML-DOM
  • mod_rewrite
  • Even More »
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Resource

Online

  • Official Website

Download

  • JAVA Language Quick Reference [.pdf]
  • JAVA Programming Guide - Quick Reference [.pdf]

Related

  • BlazeDS
  • Eclipse
  • EJB
  • GlassFish
  • Grails
  • GWT
  • Hibernate
  • IntelliJ IDEA
  • Java EE
  • JavaFX
  • JavaServer Faces
  • JBoss
  • JDBC
  • JSP
  • JUnit
  • Maven
  • NetBeans
  • RichFaces
  • Spring Framework
  • Spring Roo
  • Tapestry

Basics

Setup

  • Environment Setup

Syntax

  • Basic Syntax
  • Object & Classes
  • Basic Datatypes
  • Variable Types
  • Modifier Types
  • Basic Operators
  • Loop Control
  • Descision Making
  • Methods
  • Exceptions

Number

Number Class

  • Number Class

Number methods

  • xxxValue()
  • compareTo()
  • equals()
  • valueOf()
  • toString()
  • parseInt()
  • abs()
  • ceil()
  • floor()
  • rint()
  • round()
  • min()
  • max()
  • exp()
  • log()
  • pow()
  • sqrt()
  • sin()
  • cos()
  • tan()
  • asin()
  • acos()
  • atan()
  • atan2()
  • toDegrees()
  • toRadians()
  • random()

Character

Character Class

  • Character Class

Character methods

  • isLetter()
  • isDigit()
  • isWhitespace()
  • isUpperCase()
  • isLowerCase()
  • toUpperCase()
  • toLowerCase()
  • toString()

String

String Class

  • String Class

String methods

  • char charAt(int index)
  • int compareTo(Object o)
  • int compareTo(String anotherString)
  • int compareToIgnoreCase(String str)
  • String concat(String str)
  • boolean contentEquals(StringBuffer sb)
  • static String copyValueOf(char[] data)
  • static String copyValueOf(char[] data, int offset, int count)
  • boolean endsWith(String suffix)
  • boolean equals(Object anObject)
  • boolean equalsIgnoreCase(String anotherString)
  • byte getBytes()
  • byte[] getBytes(String charsetName
  • void getChars(int srcBegin, int srcEnd, char[] dst, int dstBegin)
  • int hashCode()
  • int indexOf(int ch)
  • int indexOf(int ch, int fromIndex)
  • int indexOf(String str)
  • int indexOf(String str, int fromIndex)
  • String intern()
  • int lastIndexOf(int ch)
  • int lastIndexOf(int ch, int fromIndex)
  • int lastIndexOf(String str)
  • int lastIndexOf(String str, int fromIndex)
  • int length()
  • boolean matches(String regex)
  • boolean regionMatches(boolean ignoreCase, int toffset, String other, int ooffset, int len)
  • boolean regionMatches(int toffset, String other, int ooffset, int len)
  • String replace(char oldChar, char newChar)
  • String replaceAll(String regex, String replacement
  • String replaceFirst(String regex, String replacement)
  • String[] split(String regex)
  • String[] split(String regex, int limit)
  • boolean startsWith(String prefix)
  • boolean startsWith(String prefix, int toffset)
  • CharSequence subSequence(int beginIndex, int endIndex)
  • String substring(int beginIndex)
  • String substring(int beginIndex, int endIndex)
  • char[] toCharArray()
  • String toLowerCase()
  • String toLowerCase(Locale locale)
  • String toString()
  • String toUpperCase()
  • String toUpperCase(Locale locale)
  • String trim()
  • static String valueOf(primitive data type x)

Basic Classes

Basic Classes

  • Arrays
  • Date & Time
  • Files and I/O
  • Regular Expressions
  • Exceptions

Data Structures

Data structures

  • Enumeration
  • BitSet
  • Vector
  • Stack
  • Dictionary
  • Hashtable
  • Properties

Collection

  • Collection Interface
  • List Interface
  • Set
  • SortedSet
  • Map
  • Map.Entry
  • SortedMap
  • Enumeration

Object Oriented

Object Oriented Topic

  • Inheritance
  • Overriding
  • Polymorphism
  • Abstraction
  • Encapsulation
  • Interfaces
  • Packages

Advanced

Advanced Topic

  • Generics
  • Serialization
  • Networking
  • Sending Email
  • Multithreading
  • Documentation
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