Java Learning----Reference passing of arrays

1.

public class arrayrefdemo01{
public static void Main (String args[]) {
int temp[] = {1,3,5};//define an array with static initialization
Fun (temp);//pass Array
for (int i=0;i<temp.length;i++) {
System.out.print (Temp[i] + ",");
}
}
public static void Fun (int x[]) {//Receive reference to an array of integral types
X[0] = 6;//Modify the first element
}
};

Operation Result:

6, 3, 5,

2.

public class arrayrefdemo02{
public static void Main (String args[]) {
int temp[] = fun ();//Instantiate an array by means of a method
Print (temp);//Printing array contents
}
public static void print (int x[]) {
for (int i=0;i<x.length;i++) {
System.out.print (X[i] + ",");
}
}
public static int[] Fun () {//returns an array
int ss[] = {1,3,5,7,9};//define an array
return SS;
}
};

Operation Result:

1,3,5,7,9

3.

public class arrayrefdemo03{
public static void Main (String args[]) {
int score[] = {67,89,87,69,90,100,75,90};//define an integral type array
int age[] = {31,30,18,17,8,9,1,39};//define an integral type array
Sort (score);//Array sort
Print (score);//Array printing
System.out.println ("\ n---------------------------");
Sort (age);//Array sort
print (age);//Array printing
}
public static void sort (int temp[]) {//Perform sort operation
for (int i=1;i<temp.length;i++) {
for (int j=0;j<temp.length;j++) {
if (Temp[i]<temp[j]) {
int x = Temp[i];
Temp[i] = Temp[j];
TEMP[J] = x;
}
}
}
}
public static void print (int temp[]) {//output array contents
for (int i=0;i<temp.length;i++) {
System.out.print (Temp[i] + "\ t");
}
}
};

Operation Result:

67 69 75 87 89 90 90 100
---------------------------
1891718303139

4.

public class arrayrefdemo04{
public static void Main (String args[]) {
int score[] = {67,89,87,69,90,100,75,90};//define an integral type array
int age[] = {31,30,18,17,8,9,1,39};//define an integral type array
Java.util.Arrays.sort (score);//array sorting
Print (score);//Array printing
System.out.println ("\ n---------------------------");
Java.util.Arrays.sort (age);//array sorting
print (age);//Array printing
}
public static void print (int temp[]) {//output array contents
for (int i=0;i<temp.length;i++) {
System.out.print (Temp[i] + "\ t");
}
}
};

Operation Result:

67 69 75 87 89 90 90 100
---------------------------
1891718303139

5.

public class arrayrefdemo05{
public static void Main (String args[]) {
int i1[] = {1,2,3,4,5,6,7,8,9};//source array
int i2[] = {11,22,33,44,55,66,77,88,99};//target array
Copy (i1,3,i2,1,3);//Call copy method
Print (I2);
}
Source array name, source array start point, target array name, target array start point, copy length
public static void copy (int s[],int s1,int o[],int s2,int len) {
for (int i=0;i<len;i++) {
O[s2+i] = S[s1+i];//copy operation
}
}
public static void print (int temp[]) {//output array contents
for (int i=0;i<temp.length;i++) {
System.out.print (Temp[i] + "\ t");
}
}
};

Operation Result:

4 5 6

6.

public class arrayrefdemo06{
public static void Main (String args[]) {
int i1[] = {1,2,3,4,5,6,7,8,9};//source array
int i2[] = {11,22,33,44,55,66,77,88,99};//target array
System.arraycopy (i1,3,i2,1,3);//Call the Copy method supported by the array in Java
Print (I2);
}
public static void print (int temp[]) {//output array contents
for (int i=0;i<temp.length;i++) {
System.out.print (Temp[i] + "\ t");
}
}
};

Operation Result:

One 4 5 6

Java Learning----Reference passing of arrays