?? array.java
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// array.java
// demonstrates Java arrays
// to run this program: C>java arrayApp
////////////////////////////////////////////////////////////////
class ArrayApp
{
public static void main(String[] args)
{
long[] arr; // reference to array
arr = new long[100]; // make array
int nElems = 0; // number of items
int j; // loop counter
long searchKey; // key of item to search for
//--------------------------------------------------------------
arr[0] = 77; // insert 10 items
arr[1] = 99;
arr[2] = 44;
arr[3] = 55;
arr[4] = 22;
arr[5] = 88;
arr[6] = 11;
arr[7] = 00;
arr[8] = 66;
arr[9] = 33;
nElems = 10; // now 10 items in array
//--------------------------------------------------------------
for(j=0; j<nElems; j++) // display items
System.out.print(arr[j] + " ");
System.out.println("");
//--------------------------------------------------------------
searchKey = 66; // find item with key 66
for(j=0; j<nElems; j++) // for each element,
if(arr[j] == searchKey) // found item?
break; // yes, exit before end
if(j == nElems) // at the end?
System.out.println("Can't find " + searchKey); // yes
else
System.out.println("Found " + searchKey); // no
//--------------------------------------------------------------
searchKey = 55; // delete item with key 55
for(j=0; j<nElems; j++) // look for it
if(arr[j] == searchKey)
break;
for(int k=j; k<nElems; k++) // move higher ones down
arr[k] = arr[k+1];
nElems--; // decrement size
//--------------------------------------------------------------
for(j=0; j<nElems; j++) // display items
System.out.print( arr[j] + " ");
System.out.println("");
} // end main()
} // end class ArrayApp
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