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全部目标 Java 语法 Java 核心 Java 多线程 Java 集合 JSP 和 Servlet Module 3. Java Professional Module 4. SQL & Hibernate Module 5. Spring
全部级别 级别 0 级别 1 级别 2 级别 3 级别 4 级别 5 级别 6 级别 7 级别 8 级别 9 级别 10 级别 11 级别 12 级别 13 级别 14 级别 15 级别 16 级别 17 级别 18 级别 19 级别 20 级别 21 级别 22 级别 23 级别 24 级别 25 级别 26 级别 27 级别 28
  • You've reached Level 29

    Java 多线程
    第 9 级, 课程 0
    You've reached Level 29
    可用
  • Naming conventions, code conventions

    Java 多线程
    第 9 级, 课程 1
    "Hi, Amigo! Today I'm going to tell you about code styles and the importance of code style." "I'll start with what matters most. Java code should be easy to read. The general approach to the code is this: code is written once but read a hundred times." "Suppose you and 10 other programmers are writing an application. You work on the application for three years, with intermediate releases every three months ..."
    可用
  • Practice with naming conventions (fix something to fit the standard)

    Java 多线程
    第 9 级, 课程 2
    "Hi, Amigo!"
    可用
  • Autoboxing (immutables)

    Java 多线程
    第 9 级, 课程 3
    "Hi, Amigo!"
    可用
  • Number (Integer, Long, Byte)

    Java 多线程
    第 9 级, 课程 4
    "Since developers could come up with classes that describe numbers, they decided to be creative, like real developers." "First, they came up with an abstract Number class, from which Byte, Short, Integer, Long, Float, and Double are derived. It has methods that help convert numbers to other numeric types ..."
    可用
  • Practice with autoboxing and numbers

    Java 多线程
    第 9 级, 课程 5
    "Hi, Amigo!"
    可用
  • Boolean

    Java 多线程
    第 9 级, 课程 6
    "Hi, Amigo!" "Hi, Kim." "I'm going to tell you about the Boolean type. It's a wrapper for the boolean type, and it's as easy as pie. Here's some simplified code from the Boolean class ..."
    可用
  • Practice with autoboxing Booleans

    Java 多线程
    第 9 级, 课程 7
    "Hi, Amigo!"
    可用
  • Character

    Java 多线程
    第 9 级, 课程 8
    "Hi, Amigo! It's me again. I'd like to tell you about another fairly simple wrapper class. Today we'll be talking about Character, the wrapper for char." "This class is also quite simple ..."
    可用
  • Practice with autoboxing Characters

    Java 多线程
    第 9 级, 课程 9
    "Hi, Amigo!"
    可用
  • Void et al.

    Java 多线程
    第 9 级, 课程 10
    "Hi, Amigo! I've got another small and interesting topic for you. The Void type." "And why would you need such a type? I mean, I understand void: it's to bring functions and procedures into alignment. We don't have procedures, but we have functions that return void (nothing)." "Yep, but do you remember that Ellie recently told you about the Callable interface?" "Yes ..."
    可用
  • Learning to google. (How to set up IDEA for specific coding conventions: Ctrl+Alt+L)

    Java 多线程
    第 9 级, 课程 11
    "Hi, Amigo!" "Let's continue our lessons on how to google." "Here are some exercises ..:"
    可用
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