I am neo java week 2

 

Week-2

1. It is IPL season and the Preity's favorite team is "Kings XI Punjab".

import java. util. Scanner; class Example { public static void main (String[] args) { Scanner input = new Scanner(System. in) ; int day = input. nextInt(); int month =input. nextInt(); String sign=""; if((day<1) || (day>31) || (month<1) ||(month>12) ) System. out. print("Invalid Date/Month"); else { if (month == 1) { if (day < 20) sign = "Capricorn"; else sign = "Aquarius"; } else if (month == 2) { if (day < 19) sign = "Aquarius"; else sign = "Pisces"; } else if(month == 3) { if (day < 21) sign = "Pisces"; else sign = "Aries"; } else if (month == 4) { if (day < 20) sign = "Aries"; else sign = "Taurus"; } else if (month == 5){ if (day < 21) sign = "Taurus"; else sign = "Gemini"; } else if( month == 6) { if (day < 21) sign = "Gemini" ; else sign = "Cancer"; } else if (month == 7){ if (day < 23) sign = "Cancer"; else sign = "Leo"; } else if( month == 8){ if (day < 23) sign = "Leo"; else sign = "Virgo"; } else if (month == 9) { if (day < 23) sign = "Virgo"; else sign = "Libra"; } else if (month == 10){ if (day < 23) sign = "Libra"; else sign = "Scorpio"; } else if (month == 11) { if (day < 22) sign = "scorpio"; else sign = "Sagittarius"; } else if (month ==12) { if (day < 22) sign = "Sagittarius"; else sign ="Capricorn"; } System. out. print("Astrological sign for " + day + "-" + month + " is " + sign ); } } }

2. Minimum and Maximum

import java. util.*; import java. io.*; class Minandmax { public static void main(String [] args) { int a, b, min; Scanner sc = new Scanner(System. in); a= sc. nextInt(); b= sc. nextInt(); if(a>b) min =a; else min =b; System.out.print(min+" "); System.out.print(a+b); }}

3. Write a program to display the grade of a student.

import java. util. Scanner; class Main{ public static void main(String args[]) { int mark; Scanner in =new Scanner(System. in); mark=in. nextInt( ) ; if(mark>=85) System.out.print("A"); else if(mark>=75) System. out. print("B"); else if(mark>=65) System.out.print("C"); else if(mark>=0) System.out.print("D"); else System.out.print("Invalid"); } }

4. Volunteers at the Fair

import java. io.*; import java. util.*; class Volunteersatfair{ public static void main(String [] args) { int n, m, k; Scanner sc = new Scanner(System. in); n = sc. nextInt(); m = sc. nextInt(); k = sc. nextInt(); if(n<m) n = n+k; else m = m+k; if(n>m) k=n-m; else k = m-n; System. out . println(k); } }

5. Card Game

import java. io.*; import java. util.*; class Cardgame { public static void main(String [] args) { char x, y, z; int a, b, c; Scanner sc = new Scanner(System. in); x = sc. next(). charAt(0); a = sc. nextInt(); y = sc. next() . charAt(0); b = sc. nextInt(); z = sc. next() . charAt(0); c = sc. nextInt(); if(((x==y)&&(x==z))&&((a==b)&&(a==c))) System. out. println("Double Bonanza") ; else if( ((x==y)&&(x==z))||((a==b)&&(a==c))) System. out. println("Bonanza"); else System. out . println("No Bonanza"); } }

6. Help Lost Child

import java. io.*; import java. util.*; class Helplostchild { public static void main (String [] args) { int x1, y1, x2, y2; Scanner sc = new Scanner(System. in); x1 = sc. nextInt(); y1 = sc.nextInt() ; x2 = sc. nextInt(); y2 = sc. nextInt() ; if(y1==y2) { if (x1>x2) System. out. println("left"); else if(x2>x1) System. out . println("right"); } else if(x1==x2){ if(y1>y2) System. out . println("down"); else if(y2>y1) System. out. println("up"); } else System. out . println("sad"); } }

7. Write a program to generate the Tribonacci sequence.

import java. util. Scanner; class Tribonacci { static int tri(int n) { if (n == 1) return 1; else if (n == 2) return 1; else if (n == 3) return 2; else return tri(n - 1) + tri(n - 2) + tri(n - 3); } static void tribe(int n) { if (n == 1) System. out. print("1"); else if (n == 2) System. out . print("1 1"); else if (n == 3) System. out . print("1 1 2"); else { System. out . print("1 1 2 "); for (int a = 4; a <= n; a++) { System. out. print(tri(a - 1) + tri(a - 2) + tri(a - 3)); System. out. print(" "); }}}} class TribonacciMain{ public static void main(String args[]) { int n; Scanner sc = new Scanner(System. in) ; n = sc.nextInt(); Tribonacci t = new Tribonacci(); t. tribe(n); } }

8. Given an integer as an input, it represents the temperature in centigrade.

import java. io.*; import java. util.*; class Main { public static void main(String [] args){ int temp; Scanner sc = new Scanner(System. in); temp = sc. nextInt(); if(temp<0) System. out . println("Freezing weather"); else if(temp>=0 && temp<10) System. out. println("Very cold weather"); else if(temp>=10 && temp<20) System. out. println("Cold weather"); else if(temp>=20 && temp<30) System. out. println("Normal in temperature"); else if(temp>=30 && temp<40) System. out. println("Its hot"); else if(temp>=40) System. out. println("Its very hot"); } }

9. Ticket types

import java. io.*; import java. util.*; class Tickettypes { public static void main(String [] args){ char type; Scanner sc = new Scanner(System. in); type = sc. next(). charAt(0); switch(type) { case 'e': System, out. println("Early Bird Ticket"); break ; case 'E': System. out. println("Early Bird Ticket"); break; case 'd' : System. out . println("Discount Ticket"); break; case 'D' : System. out . println("Discount Ticket"); break; case 'v' : System. out. println("VIP Ticket"); break; case 'V' : System. out. println("VIP Ticket"); break; case 's' : System. out. println("Standard Ticket"); break; case 'S' : System. out . println( "Standard Ticket"); break; case 'c': System. out . println("Children Ticket"); break; case 'C' : System. out . println("Children Ticket"); break; }}}

10. Write a program to check whether the given year is leap year or not

import java. util. Scanner; class Main { public static void main(String[] args) { Scanner sc=new Scanner(System. in) ; int year = sc.nextInt(); boolean leap = false; if(year % 4 == 0){ if( year % 100 == 0){ if ( year % 400 == 0) leap = true; else leap = false; } else leap = true; } else leap = false; if(leap) System. out . println(year+" Leap year"); else System. out. println(year+" Not leap year"); }}

Challange yourself

1. Given an integer N as input, which represents the number of electricity units consumed.

import java.io.*; import java. text. DecimalFormat; import java.util.*; class Main { public static void main(String [] args) { int unit; double amt, total_amt, sur_charge; Scanner sc = new Scanner(System. in); unit = sc.nextInt(); DecimalFormat d = new DecimalFormat("0.00"); if(unit <= 50) amt = unit * 0.50; else if(unit <= 150) amt = 25 + ((unit-50) * 0.75); else if(unit <= 250) amt = 100 + ((unit-150) * 1.20); else amt = 220 + ((unit-250) * 1.50); sur_charge = amt * 0.20; total_amt = amt + sur_charge; System. out . println(d. format(total_amt) ) ; }}

2. During weekends, students learn sports and games such as basketball, football, tennis and badminton.

import java. util.*; class PED{ String name; String time; String sports_name; int sports_index; int no; int totcost; public PED(String name, String time, String sports_name, int sports_index) { no=0; this. name=name; this. time=time; this . sports_name=sports_name; this. sports_index=sports_index; } int displayPED(sports_detail sports){ System. out . print("Name: "+name + " "); totcost = sports.no_of_students [sports_index] * sports. sports_fees[sports_index]; System. out . println("salary "+totcost); return 0; }} class sports_detail{ String sport_name[] = new String[4]; int sports_fees[]=new int[4]; int no_of_students[]=new int[4]; public sports_detail(){ sport_name [0]="basketball"; sport_name [1]="football"; sport_name [2]="tennis"; sport_name [3]="badminton"; sports_fees[0]=100; sports_fees[1]=200; sports_fees[2]=300; sports_fees [3]=400; no_of_students[0]=0; no_of_students [1]=0; no_of_students [2]=0; no_of_students[3]=0; }} class student{ public String name; public int cost; public int sp[]=new int[4]; public student ( ) { Arrays . fill(sp,0); cost=0; } int display () { System. out. println("Name: "+name+" Fees: "+cost); return 0; }} class Main { public static void main(String[] args) { PED obj [] = new PED [4]; sports_detail sports=new sports_detail(); Scanner in = new Scanner(System. in); int n, i, sports_index=0; for (i=0; i<4; i++){ String name=in. next( ); String time=in. next(); String sports_name=in. next(); if(sports_name . equals("basketball") ) sports_index=0; else if(sports_name . equals("football")) sports_index=1; else if(sports_name . equals("tennis") ) sports_index=2; else if(sports_name. equals("badminton")) sports_index=3; obj [i]=new PED(name, time, sports_name, sports_index); } n = in. nextInt( ); student s[]= new student [n]; for (i=0; i<n; i++) { s [i]=new student(); s[i] . name=in.next( ); for (int j=0;j<4;j++){ s[i] . sp[j]=in. nextInt(); if(s[i] . sp[j]==1){ sports.no_of_students[j]=sports. no_of_students [j]+1; s[i]. cost=s[i]. cost+sports. sports_fees[j]; }}} System. out. println("Student"); for (i=0; i<n; i++) s[i] . display () ; System. out. println("PED"); for (i=0; i<4; i++) obj [i] . displayPED(sports); }}

3. Grades of Rides

import java. io.*; import java. util.*; class Gradesofrides { public static void main(String [] args) { int hurl, spin, speed; Scanner sc = new Scanner(System. in) ; hurl = sc.nextInt(); spin = sc. nextInt(); speed = sc.nextInt(); if(hurl > 50 && spin>60 && speed>100) System. out . println("10"); else if(hurl>50 && spin>60) System. out . println("9"); else if(spin>60 && speed> 100) System. out . println("8"); else if(hurl>50 && speed> 100) System. out . println("7"); else if(hurl>50 || spin>60 ||speed>100) System. out . println("6"); else System. out . println("5"); }}

4. Minimum Travel Time

import java. util.*; import java. io.*; class Minimumtraveltime { public static void main(String [] args) { int n, v1, v2; double t1, t2; Scanner sc = new Scanner(System. in) ; n = sc.nextInt( ); v1 = sc. nextInt(); v2 = sc. nextInt(); t1=1.41421356237*n*100/v1; t2=2*n*100; t2=t2/v2; if(t1<t2) System. out . println( "Stairs"); else System. out. println("Elevator"); }}

5. Co-Partners in Train

import java.io.*; import java.util.*; class copartnerstrain { public static void main(String [] args) { int a, count; Scanner sc = new Scanner (System. in); a = sc.nextInt(); count=a%8; if(count==0) { a=a-1; } else if(count<4) {a=a+3; } else if(count<7) {a=a-3; } else if(count==7) {a=a+1; } switch(count) { case 0:System. out. println(a+"SL"); break; case 1:System. out. println(a+"LB"); break; case 2:System. out. println(a+"MB") ; break; case 3:System. out. println(a+"UB"); break; case 4:System. out. println(a+"LB"); break; case 5:System. out. println(a+"MB"); break; case 6:System. out. println(a+"UB"); break; case 7:System. out. println(a+"SU"); break;} }}