Notes1:
package Array;
public class MaxValue {
public static void main(String[] args) {
int[] marks = {88,73, 82,88,95};
int max = 0;
for(int i=0; i<marks.length; i++)
{
if(marks[i]>max)
max = marks[i];
}
System.out.println(max);
}
}
output:
95
Notes2:
package Array;
public class MaxValue2 {
public static void main(String[] args) {
int[] marks = {-188,-873, 1082,788,995};
int max = Integer.MIN_VALUE;
for(int i=0; i<marks.length; i++)
{
if(marks[i]>max)
max = marks[i];
}
System.out.println(max);
}
}
output:
1082
Notes3:
package Array;
public class MaxValue3 {
public static void main(String[] args) {
int[] marks = {95,97,96,100,99};
int max = marks[0];
int second_max = marks[0];
for(int i=1; i<marks.length; i++)
{
if(marks[i]>max)
{
second_max = max;
max = marks[i];
}
else if(marks[i]> second_max)
{
second_max = marks[i];
}
}
System.out.println(max);
System.out.println(second_max);
}
}
output:
100
99
Notes4:
package Array;
public class MaxValue4 {
public static void main(String[] args) {
// TODO Auto-generated method stub
int[] marks = {-95,-97,-96,-100,-99};
int max = Integer.MIN_VALUE;
int second_max = Integer.MIN_VALUE;
for(int i=0; i<marks.length; i++)
{
if(marks[i]>max)
{
second_max = max;
max = marks[i];
}
else if(marks[i]> second_max)
{
second_max = marks[i];
}
}
System.out.println(max);
System.out.println(second_max);
}
}
output:
-95
-96
Notes5:
package Array;
public class MinValue {
public static void main(String[] args) {
int[] marks = {88,73, 82,88,95};
int min = 100;
for(int i=0; i<marks.length; i++)
{
if(marks[i]<min)
min = marks[i];
}
System.out.println(min);
}
}
output:
73
Notes6:
package Array;
public class MinValue2 {
public static void main(String[] args) {
int[] marks = {-188,-873, 1082,788,995};
int min = Integer.MAX_VALUE;
for(int i=0; i<marks.length; i++)
{
if(marks[i]<min)
min = marks[i];
}
System.out.println(min);
}
}
output:
-873
Notes7:
package Array;
public class Dimension {
public static void main(String[] args) {
int [] a = {10,20,30,40};
int[] b = {40,50,60,70};
int[] c = {70,80,90,100};
int[][] ar = {a,b,c};
System.out.println(ar.length);
System.out.print(ar[0][0] + " "+ar[0][1]+" "+ar[0][2]+ " "+ar[0][3]);
System.out.println();
System.out.print(ar[1][0] + " "+ar[1][1]+" "+ar[1][2]+ " "+ar[1][3]);
System.out.println();
System.out.print(ar[2][0] + " "+ar[2][1]+" "+ar[2][2]+ " "+ar[2][3]);
}
}
output:
3
10 20 30 40
40 50 60 70
70 80 90 100
Notes8:
package Array;
public class Dimension2 {
public static void main(String[] args) {
int [] a = {10,20,30,40};
int[] b = {40,50,60,70};
int[] c = {70,80,90,100};
int[][] ar = {a,b,c};
System.out.println(ar.length);
int row=0;
System.out.print(ar[row][0] + " "+ar[row][1]+" "+ar[row][2]+ " "+
ar[row][3]);
System.out.println();
row++;
System.out.print(ar[row][0] + " "+ar[row][1]+" "+ar[row][2]+ " "+
ar[row][3]);
System.out.println();
row++;
System.out.print(ar[row][0] + " "+ar[row][1]+" "+ar[row][2]+ " "+ar[row][3]);
}
}
output:
3
10 20 30 40
40 50 60 70
70 80 90 100
Notes9:
package Array;
public class Dimension3 {
public static void main(String[] args) {
int [] a = {10,20,30,40};
int[] b = {40,50,60,70};
int[] c = {70,80,90,100};
int[][] ar = {a,b,c};
System.out.println(ar.length);
for(int row=0; row<ar.length; row++)
{
System.out.print(ar[row][0] + " "+ar[row][1]+" "+ar[row][2]+ " "+
ar[row][3]);
System.out.println();
}
}
}
output:
3
10 20 30 40
40 50 60 70
70 80 90 100
Notes10:
package Array;
public class Dimension4 {
public static void main(String[] args) {
// TODO Auto-generated method stub
int [] a = {10,20,30,40};
int[] b = {40,50,60,70};
int[] c = {70,80,90,100};
System.out.println(a.length);
int[][] ar = {a,b,c};
for(int col=0; col<ar[0].length; col++)
System.out.print(ar[0][col]+" ");
System.out.println();
for(int col=0; col<ar[1].length; col++)
System.out.print(ar[1][col]+" ");
System.out.println();
for(int col=0; col<ar[2].length; col++)
System.out.print(ar[2][col]+" ");
}
}
output:
3
10 20 30 40
40 50 60 70
70 80 90 100
Notes11:
package Array;
public class Dimension5 {
public static void main(String[] args) {
int [] a = {10,20,30,40};
int[] b = {40,50,60,70};
int[] c = {70,80,90,100};
System.out.println(a.length);
int[][] ar = {a,b,c};
int row = 0;
for(int col=0; col<ar[row].length; col++)
System.out.print(ar[row][col]+" ");
System.out.println(); row++;
for(int col=0; col<ar[row].length; col++)
System.out.print(ar[row][col]+" ");
System.out.println();row++;
for(int col=0; col<ar[row].length; col++)
System.out.print(ar[row][col]+" ");
}
}
output:
4
10 20 30 40
40 50 60 70
70 80 90 100
Notes12:
package Array;
public class Dimension6 {
public static void main(String[] args) {
int [] a = {10,20,30,40};
int[] b = {40,50,60,70};
int[] c = {70,80,90,100};
System.out.println(a.length);
int[][] ar = {a,b,c};
for(int row = 0; row<ar.length; row++)
{
for(int col=0; col<ar[row].length; col++)
{
System.out.print(ar[row][col]+" ");
}
System.out.println();
}
}
}
output:
4
10 20 30 40
40 50 60 70
70 80 90 100
Task:
int[] ar = { {10,20,30}, {40,50,60}, {70,80,90}};
1) Print only first column values - 10,40,70
package Array;
public class Task5 {
public static void main(String[] args) {
int[][] ar = {{10,20,30},{40,50,60},{70,80,90}};
System.out.println(ar.length);
for (int i = 0; i < ar.length; i++) {
System.out.println(ar[i][0]);
}
}
}
output:
3
10
40
70
2) Calculate sum of diagonal values - 10+50+90
package Array;
public class Task6 {
public static void main(String[] args) {
int[][] ar = {{10,20,30},{40,50,60},{70,80,90}};
int total=0;
for (int i = 0; i < ar.length; i++) {
System.out.println(ar[i][i]);
total=total+(ar[i][i]);
}
System.out.println(total);
}
}
output:
10
50
90
150
3) Sum of each row
package Array;
public class Task7 {
public static void main(String[] args) {
int[][] ar = {{10,20,30},{40,50,60},{70,80,90}};
int total=0;
for(int row = 0; row<ar.length; row++)
{
for(int col=0; col<ar[row].length; col++)
{
System.out.print(ar[row][col]+" ");
total=total+(ar[row][col]);
}
System.out.println();
System.out.println(total);
}
}
}
output:
10 20 30
60
40 50 60
210
70 80 90
450
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