Archive
Posts Tagged ‘Java Basic Programs’
Java Program to sort an array of strings – Q20
January 10, 2009
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Q20: Java Program to sort an array of strings
class SortString{ static String arr[] = { "Now", "is", "the", "time", "for", "all", "good", "men", "to", "come", "to", "the", "aid", "of", "their", "country" }; public static void main(String args[]){ for(int j=0; j<arr.length; j++){ for(int i=j; i<arr.length; i++){ if(arr[i].compareTo(arr[j]) < 0){ String t = arr[j]; arr[j] = arr[i]; arr[i] = t; } } System.out.println(arr[j]); } } }
… from College notes (BCA/MCA assignments):
Categories: Java
Array Sorting, Java Basic Programs
Java Program to calculate income tax on salary – Q19
January 10, 2009
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Q19: Java Program to calculate income tax on salary:
( sal < 1.5lac = 15%, 1.5 < sal 2.5lac = 30% )
import javax.swing.*; class inc_tax{ public static void main(String args[]){ String inp; inp = JOptionPane.showInputDialog("Enter Salary: "); int sal; sal = Integer.parseInt(inp); double tax; if(sal < 150000) tax = sal * 15/100; else if(sal >= 150000 && sal < 250000) tax = sal * 20/100; else tax = sal * 30/100; System.out.println("Tax on Annual salary " + sal + " is: " + tax); } }
… from College notes (BCA/MCA assignments):
Categories: Java
Calculate Income Tax, Java Basic Programs
Java Program to find weather a given string is palindrome or not – Q18
January 9, 2009
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Q18: Java Program to find weather a given string is palindrome or not
import javax.swing.*; class palindrome{ public static void main(String args[]){ String wd; int i, len; boolean ispal; wd = JOptionPane.showInputDialog("Enter a Word:"); len = wd.length(); i=0; ispal=true; for(;i<=len;){ if(wd.charAt(i) == wd.charAt(len-1)){ i++; len--; } else{ ispal = false; break; } } if(ispal==true) System.out.println("The String " + wd + " is Palindrome."); else System.out.println("The String " + wd + " is not Palindrome."); } }
… from College notes (BCA/MCA assignments):
Categories: Java
Java Basic Programs, Palindrome
Java Program to convert binary to decimal – Q17
January 9, 2009
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Q17: Java Program to convert binary to decimal
import javax.swing.*; class bin_dec{ public static void main(String args[]){ int bin, dec, i, x; String inp; //bin = Integer.parseInt(args[0]); inp = JOptionPane.showInputDialog("Enter a Binary Number:"); bin = Integer.parseInt(inp); i=0; dec = 0; while(bin != 0){ x = bin % 10; dec += x * Math.pow(2,i); bin /= 10; i++; } System.out.println("Decimal: " + dec); } }
… from College notes (BCA/MCA assignments):
Categories: Java
Binary to Decimal, Java Basic Programs
Java Program to convert decimal to binary number – Q16
January 8, 2009
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Q16: Java Program to convert decimal to binary number
import javax.swing.*; class dec_bin{ public static void main(String args[]){ String inp, bin; int dec, x; inp = JOptionPane.showInputDialog("Enter a Decimal Number:"); dec = Integer.parseInt(inp); bin = ""; while(dec != 0){ x = dec % 2; bin = x + bin; dec /= 2; } System.out.println("Binary: " + bin); } }
… from College notes (BCA/MCA assignments):
Categories: Java
Decimal to Binary, Java Basic Programs