一、考试信息
1、考试科目SCJP
2、考试编号：310-025
3、考试题型：单选题、多选题、填空题
4、及格分数：61%
5、考试时间：120分钟
6、考试费用：人民币1250元
二、报考步骤
1、向Sun培训部购买准考证（Certification VoUCher）
考试中心的相关资料请浏览以下网址：http://www.sylvan.com.cn。若第一次在APTC参加考试，请提供具体的个人信息（姓名，汉语拼音姓名，英文公司名，英文地址，邮编、电话、传真、身份证号码）；若已在APTC参加过考试，提供姓名和考生身份证号码（Candidate ID）。
2、报考流程
请您具体地填写好考试报名表上的相关资料，按照报名表上的银行资料到银行办理汇款，银行将会给您一张回执，请您将填写好的考试报名表连同银行的回执一起再传真回给我们，我们在收到您的传真件，确认您银行回执填写没有错误或遗漏以确保您的报名费可以顺利到达我公司帐户后，我们将依据您报名表上的填写的地址用EMS给您寄VOUCHER，您收到VOUCHER后就可以与考试中心去预约考试。
3、考试过程
请直接与考试中心联络，提供参加的考试的具体资料（考试号码，考试名称，考试语种，考试日期）。考试中心将给您一份考试确认书。你于约定时间至考试中心考试，请携带考试确认书，准考证原件及其它要求证件。题目均为英文（可选择中文），并以电脑作答。
考试当天携带身份证/护照/军人证和一个辅助证件，在约定时间前到考场参加考试。应严格遵守考场规则。考试结束后您应妥善保管好成绩单。对考场治理有任何意见或建议，请向Prometric公司北京办事处反映。
三、证书信息
1、请查询相应公司主页Certification或Education或Training部分。
2、培训相关信息，请查询相应公司主页；或向APTC咨询，部分APTC同时从事培训。
3、证书的发放一般由各认证公司负责。Sun公司的主页上有成绩及证书查询功能，网址是：https://www.galton.com/~sun_s/login.Html，可以用考生身份证号码（Candidate ID）登录上去查询。证书发放周期各公司稍有出入，一般为一个月。
四、考试大纲
1、DECLARATIONS AND Access CONTROL
1、Write code that declares, constructs, and initializes arrays of any base type using any of the permitted FORMs both for declaration and for initialization
2、Declare classes, inner classes, methods, instance variables, static variables, and automatic (method local) variables making appropriate use of all permitted modifiers (such as public, final, static, abstract, and so forth)
3、State the significance of each of these modifiers both singly and in combination, and state the effect of package relationships on declared items qualified by these modifiers
4、For a given class, determine if a default constructor will be created, and if so, state the prototype of that constructor
5、State the legal return types for any method given the declarations of all related methods in this or parent classes
2、FLOW CONTROL AND EXCEPTION HANDLING
1、Write code using if and switch statements and identify legal argument types for these statements
2、Write code using all FORMs of loops including labeled and unlabeled use of break and continue, and state the values taken by loop control variables during and after loop execution
3、Write code that makes proper use of exceptions and exception handling clauses (try, catch, finally) and declares methods and overriding methods that throw exceptions
3、GARBAGE COLLECTION
1、State the behavior that is guaranteed by the garbage collection system, and write code that eXPlicitly makes objects eligible for collection
4、LANGUAGE FUNDAMENTALS
1、Identify correctly constructed source files, package declarations, import statements, class declarations (of all FORMs including inner classes), interface declarations and implementations (for Java.lang.Runnable or other interface described in the test), method declarations (including the main method that is used to start execution of a class), variable declarations and identifiers
2、State the correspondence between index values in the argument array passed to a main method and command line arguments
3、Identify all Java programming language keyWords and correctly constructed identifiers
4、State the effect of using a variable or array element of any kind when no explicit assignment has been made to it
5、State the range of all primitive data types and declare literal values for String and all primitive types using all permitted FORMats, bases, and representations
5、OPERATORS AND ASSIGNMENTS
1、Determine the result of applying any operator, including assignment operators, instance of, and casts to operands of any type, class, scope, or accessibility, or any combination of these
2、Determine the result of applying the boolean equals (Object) method to objects of any combination of the classes java.lang.String, java.lang.Boolean, and java.lang.Object
3、In an expression involving the operators &, , &&, , and variables of known values, state which operands are evaluated and the value of the expression
4、Determine the effect upon objects and primitive values of passing variables into methods and perFORMing assignments or other modifying operations in that method
6、OVERLOADING, OVERRIDING, RUNTIME TYPE, AND OBJECT ORIENTATION
1、State the benefits of encapsulation in object oriented design and write code that implements tightly encapsulated classes and the relationships "is a" and "has a"
2、Write code to invoke overridden or overloaded methods and parental or overloaded constructors, and describe the effect of invoking these methods
3、Write code to construct instances of any concrete class including normal top level classes, inner classes, static inner classes, and anonymous inner classes
7、THREADS
1、Write code to define, instantiate, and start new threads using both java.lang.Thread and java.lang.Runnable
2、Recognize conditions that might prevent a thread from executing
3、Write code using synchronized, wait, notify, or notifyAll, to protect against concurrent access problems and to communicate between threads.
4、Define the interaction between threads and between threads and object locks when executing synchronized, wait, notify, or notifyAll
8、THE JAVA.AWT PACKAGE
1、Write code using component, container, and LayoutManager classes of the java.awt package to present a Graphical User Interface with specified appearance and resize behavior, and distinguish the responsibilities of layout managers from those of containers
2、Write code to implement listener classes and methods, and in listener methods, extract inFORMation from the event to determine the affected component, mouse position, nature, and time of the event
3、State the event classname for any specified event listener interface in the java.awt.event package
9、THE JAVA.LANG PACKAGE
1、Write code using the following methods of the java.lang.Math class: abs, ceil, floor, max, min, random, round, sin, cos, tan, and sqrt
2、Describe the significance of the immutability of string objects
10、THE JAVA.UTIL PACKAGE
1、Make appropriate selection of collection classes/interfaces to suit specified behavior requirements
11、THE JAVA.IO PACKAGE
1、Write code that uses objects of the file class to navigate a file system
2、Write code that uses objects of the classes InputStreamReader and outputStreamWriter to translate between Unicode and either platFORM default or ISO 8859-1 character encoding and Distinguish between conditions under which platFORM default encoding conversion should be used and conditions under which a specific conversion should be used
3、Select valid constructor arguments for FilterInputStream and FilterOutputStream subclasses from a list of classes in the java.io.package
4、Write appropriate code to read, write and update files using FileInputStream, FileOutputStream, and RandomAccessFile objects
5、Describe the permanent effects on the file system of
