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GTU OOP Program - 2

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2). Write a program that solves the following equation and displays the value x and y: 1) 3.4x+50.2y=44.5 2) 2.1x+.55y=5.9 (Assume Cramer’s rule to solve equation ax+by=e x=ed-bf/ad-bc cx+dy=f y=af-ec/ad-bc ). Here we will create a general program and then add our equations as input import java.util.Scanner; class Program_02 { public static void main(String[] args) { Scanner input = new Scanner(System.in); System.out.println("Values of equation 1 :"); System.out.print("Enter value of a : "); double a = input.nextDouble(); System.out.print("Enter values of b : "); double b = input.nextDouble(); System.out.print("Enter value of e : "); double e = input.nextDouble(); System.out.println("Values of Equation 2 : "); System.out.print("Enter value of c : "); double c = input.nextDouble(); System.out.print("E...
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GTU OS Program - 5

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5. Write a shell script which will accept a number and display first n prime numbers as output. Complete code of the program read -p "Enter the value of n (or range) " n echo "The prime numbers are: " m=2 while [ $m -le $n ] do i=2 flag=0 while [ $i -le `expr $m / 2` ] do if [ `expr $m % $i` -eq 0 ] then flag=1 break fi i=`expr $i + 1` done if [ $flag -eq 0 ] then echo $m fi m=`expr $m + 1` done Interpreting the prime.sh file and executing it in terminal tkanu025@hp:~/lab_solutions$ chmod +x prime.sh tkanu025@hp:~/lab_solutions$ ./prime.sh Output Previous Program Next Program gtu os lab manual, os GTU Practical, operating system Programs, Operating system shellscript programs, Gtu study material 3140705, OS 314070...
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GTU OOP Program - 15

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15). Write the bin2Dec (string binary String) method to convert a binary string into a decimal number. Implement the bin2Dec method to throw a NumberFormatException if the string is not a binary string. import java.util.Scanner; class Program_15 { public static int bin2Dec(String binString) throws NumberFormatException { int decimal = 0; int strLength = binString.length(); for (int i = 0; i < strLength; i++) { if (binString.charAt(i) < '0' || binString.charAt(i) > '1') { throw new NumberFormatException("Please Enter a Binary String"); } decimal += (binString.charAt(i) - '0') * Math.pow(2, strLength - i - 1); } return decimal; } public static void main(String[] args) { Scanner input = new Scanner(System.in); System.out.print("Enter Binary String : "); String str = input.nextLine(); try {...
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