AP Computer Science: Ch.1&2 Review Sheet
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Java
Computer Science defintions
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CS Definitions: The following is a list of Java protected words and their meanings along with a set of typical control structures, their syntax, and what they do. These are in no particular order. abstract class - an interface that may have one or 2 of the methods implemented, and may also declare variables. Abstract classes are extended not implemented. bit - a 1 or 0 to be used in binary-based numbers. Primitive data type. boolean - a True or False value that can be used to quickly check the value of things in methods. Conditional control structures like if and while use boolean conditions. Primitive data type.
AP classes
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Notes: Computer Science A 10/26/13 For loops Run a set of commands a set number of time While loops Run a set of commands as many times as a given condition is true Do?while (Same as while except it always runs once) For(inti=0;i<10;i++) { Same.out.println(i); } -10 -9 -7 -6 -5 -4 -3 -2 -1 For(i=0;i<10;i--) -0 -2 -4 -6 -8 -10 For(int I;intList) { System.out.print(i); } Int i=0; While(I<10) { //code I++; } 10/17/13 Chapter 5 Notes (Java Essentials) EXAMPLE 1: If (condition) Statement 1; Condition has to be true = statement 1 executed EXAMPLE 2: If (Condition) Statement1; Else Statement 2; Condition =true, statement 1 executed; otherwise statement 2 is executed EXAMPLE 3: If (condition1) Statement1; Else if (condition2) Statement 2; Else Statement 3;
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