Data-Structure/function.java at main · mrinal-27/Data-Structure · GitHub

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importjava.util.*;

publicclassfunction {
publicstaticvoidmyName(Stringname){
System.out.println(name);
 }
publicstaticintcalculateSum(inta, intb){
intsum=a+b;
returnsum;
 }
publicstaticvoidfactorial(intc){
intfac=1;
for (inti=c;i>=1;i--){
fac=fac *i;
 }
System.out.println(fac);
 }
publicstaticvoidmain(Stringargs[]){
Scannersc=newScanner(System.in);
Stringname=sc.next();
myName(name);
inta =sc.nextInt();
intb=sc.nextInt();
intsum=calculateSum(a,b);
System.out.println(sum);
intc=sc.nextInt();
factorial(c);

//arrayysss
intmarks[]=newint [3];
marks[0]=87;
marks[1]=98;
marks[2]=89;
for (inti=0;i < 3;i++){
System.out.println(marks[i]);
 }
intnumber[]={23,45,67};
System.out.println(number[1]);
for (inti=0;i<3;i++){
System.out.println(number[i]);
 }
intsize=sc.nextInt();
intarray[]=newint [size];//if we dont give any value 0 will be stored at every position of array
for (inti=0;i<size;i++){
array[i]=sc.nextInt();
 }
for (inti=0;i<size;i++){
System.out.println(array[i]);
 }
intx=sc.nextInt();
for (inti=0;i<size;i++){
if(array[i]==x){
System.out.println("index of x is :"+i);
 }
 }

 }

}