int[] int_arr = {1,2,3,4,5,6,7,8,9};
int count_value = 0;
System.out.print("arr에 들어있는 홀수는 ");
for(int i = 0; i<int_arr.length; i++) {
if(int_arr[i]%2 != 0) {
System.out.print(int_arr[i]+ " ");
count_value++;
}
}
System.out.print("이며, 총" + count_value + "입니다." );
}
}
package day4;
public class ex35배열 {
public static void main(String[] args) {
int[] int_arr = {1,2,3,4,5,6,7,8,9};
System.out.print("가장큰값은? ");
int max_value = 0;
for(int i = 1; i<int_arr.length; i++ ) {
if(int_arr[i] > int_arr[i-1]) {
max_value = int_arr[i];
}
}
System.out.print(max_value +"입니다");
}
}
package day4;
public class ex34배열 {
public static void main(String[] args) {
//1. 배열 생성
int[] arr = new int[4];
int[] arr2 = {1,2,3,4,5,6};
for(int i = 0; i<arr.length; i++) {
arr[i]=i+1;
int[] int_arr = {1,2,3,4,5,6,7,8,9};
System.out.print("arr에 들어있는 짝수는 ");
for(int i=1; i<int_arr.length; i +=2) {
System.out.print(int_arr[i]+" ");
}
System.out.print("입니다");
}
}
