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# CS201-22 - Introduction to Programming Lecture 22 Review...

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Unformatted text preview: Introduction to Programming Lecture 22 Review Bit wise Manipulation and Assignment Operator a = a + 1 ; a += 1 ; Bit Manipulation Operators &= Bitwise AND Assignment Operator |= Bitwise OR Assignment Operator ^= Bitwise Exclusive OR Assignment Operator Assignment Operator a &= b ; Same as a = a & b ; Assignment Operator a |= b ; Same as a = a | b ; Assignment Operator a ^= b ; Same as a = a ^ b ; Analyze a problem statement, typically expressed as a word problem Express its essence, abstractly and with examples Formulate statements and comments in a precise language Evaluate and revise the activities in the light of checks and tests. Design Recipes PAY ATTENTION TO DETAIL Variables Symbolic Names i BasicPay HouseRent x Data types Whole numbers: Real Numbers (with decimal points) Character data – char – int, short, long, unsigned – float, double int = 4 bytes char = 1 byte ASCII Table Collection of same data types Arrays Arithmetic Operators Plus + Minus ­ Multiply Divide * / Modulus Operator 7 % 2 = 1 ; 100 % 20 = 0 ; a % b ; Compound Arithmetic Operators += ­= *= /= %= Compound Arithmetic Operators a = a + b ; a += b ; Logical Operators AND OR && || Comparison Operators a < b ; a <= b ; a == b ; a >= b ; a > b ; a = b; if ( a = b ) //Wrong //Logical Error a > b ; a >= b ; Bit wise Operators Bit wise AND Bit wise OR NOT Bit wise Exclusive OR & (Binary) | (Binary) ^ (Binary) ~ (unary) Sequential Construct Decision Construct Loop Construct if ( condition ) { statement ( s ) ; } If­statement if ( condition ) { statement ( s ) ; } else { statement ( s ) ; If­else } if ( a > b && c < d ) Nested if statements if ( condition ) { statement ( s ) ; if ( condition ) { statement ( s ) ; } statement ( s ) ; } While Loops while ( a > b ) { statement ( s ) ; } While Loops While loop executes zero or more times do { statement ( s ) ; } while ( condition ) ; Do ­ while Do­while loop executes one or more times Do ­ while For Loops for ( i = 0 ; i < 10 ; i ++ ; ) { statement ( s ) ; } i = i + 1 ; i += 1 ; i ++ ; Switch Statement break ; continue ; Functions Call by value Call by reference Arrays int a [ 10 ] ; a [ 0 ] ; : a [ 9 ] ; Arrays Pointers Pointers Memory address of a variable is stored inside a pointer Files and their Input / Output systems ...
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