Java chapter 1
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Java Chapter 1 PowerPoint PPT Presentation


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Java Chapter 1. Problem solving: 1. Understanding the problem. 2. Breaking the problem into manageable pieces. 3. Designing a solution. 4. Considering alternatives to the solution and refining the solution. 5. Implementing the solution 6. Testing the solution and fixing any problems.

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Java Chapter 1

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Java chapter 1

Java Chapter 1

Problem solving:

1. Understanding the problem.

2. Breaking the problem into manageable pieces.

3. Designing a solution.

4. Considering alternatives to the solution and refining the solution.

5. Implementing the solution

6. Testing the solution and fixing any problems.


Java chapter 1

Memory:Each memory location is eight bits or a byte of information.1 kilobyte = 1024 bytes. 2^101 megabyte = 2^20 bytes.1 gigabyte = 2^30 bytes.Binary (base 2): 1 or 0 in a bit.Conversion to base 101101 = 1x2^3 + 1x2^2 + 0x2^1 + 1x2^0 = 13


Java chapter 1

Comments: Statements ignored by the computer.// This begins a single line comment./* This begins a multiline comment.*/ This will end the comment.White space in java is ignored.


Java chapter 1

Java compiler and interpreter are part of the Java JDK (Java Development Kit) – download from OracleSyntax: rules of a language. These rules must be followed.Semantics: What will happen when the statement is executed.


Java chapter 1

Errors:compile-time error: syntax errors, incompatible types…runtime error: causes the program to terminate abnormally (crash!).logical error: bad results when executed.


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