Day 17

Authored by Venkatesh iGen

Computers

Professional Development

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22 questions

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MULTIPLE CHOICE QUESTION

1 min • 1 pt

public class Main {
    public static void main(String[] args) {
        String s = "abc";
        int sum = 0;
        for (char c : s.toCharArray()) {
            sum += c;
        }
        System.out.println(sum);
    }
}

294

297

300

303

MULTIPLE CHOICE QUESTION

1 min • 1 pt

public class Main {
    public static void main(String[] args) {
        String s = "a1b2c3";
        int sum = 0;
        for (int i = 1; i < s.length(); i += 2) {
            sum += s.charAt(i) - '0';
        }
        System.out.println(sum);
    }
}

MULTIPLE CHOICE QUESTION

1 min • 1 pt

public class Main {
    public static void main(String[] args) {
        int[] arr = {513, 46, 29};
        int max = 0;
        for (int num : arr) {
            while (num > 0) {
                max = Math.max(max, num % 10);
                num /= 10;
            }
        }
        System.out.println(max);
    }
}

MULTIPLE CHOICE QUESTION

1 min • 1 pt

public class Main {
    public static void main(String[] args) {
        String s = "6589";
        char[] arr = s.toCharArray();
        char temp = arr[0];
        arr[0] = arr[arr.length - 1];
        arr[arr.length - 1] = temp;
        System.out.println(new String(arr));
    }
}

6589

9586

9865

9568

MULTIPLE CHOICE QUESTION

1 min • 1 pt

public class Main {
    public static void main(String[] args) {
        int[] a = {10, 20, 30};
        int sum = 0;
        for (int i = 1; i < a.length; i++) {
            sum += a[i] - a[i - 1];
        }
        System.out.println(sum);
    }
}

MULTIPLE CHOICE QUESTION

1 min • 1 pt

public class Main {
    public static void main(String[] args) {
        String[] s = {"abc", "de", "fghi"};
        int count = 0;
        for (String str : s) {
            count += str.length();
        }
        System.out.println(count);
    }
}

MULTIPLE CHOICE QUESTION

1 min • 1 pt

public class Main {
    public static void main(String[] args) {
        int n = 237541;
        int count = 0;
        while (n > 0) {
            int d = n % 10;
            if (d == 2 || d == 3 || d == 5 || d == 7) count++;
            n /= 10;
        }
        System.out.println(count);
    }
}

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Day 17

public class Main {
    public static void main(String[] args) {
        String s = "abc";
        int sum = 0;
        for (char c : s.toCharArray()) {
            sum += c;
        }
        System.out.println(sum);
    }
}

public class Main {
    public static void main(String[] args) {
        String s = "a1b2c3";
        int sum = 0;
        for (int i = 1; i < s.length(); i += 2) {
            sum += s.charAt(i) - '0';
        }
        System.out.println(sum);
    }
}

public class Main {
    public static void main(String[] args) {
        String s = "6589";
        char[] arr = s.toCharArray();
        char temp = arr[0];
        arr[0] = arr[arr.length - 1];
        arr[arr.length - 1] = temp;
        System.out.println(new String(arr));
    }
}

public class Main {
    public static void main(String[] args) {
        int[] a = {10, 20, 30};
        int sum = 0;
        for (int i = 1; i < a.length; i++) {
            sum += a[i] - a[i - 1];
        }
        System.out.println(sum);
    }
}

public class Main {
    public static void main(String[] args) {
        String[] s = {"abc", "de", "fghi"};
        int count = 0;
        for (String str : s) {
            count += str.length();
        }
        System.out.println(count);
    }
}

public class Main {
    public static void main(String[] args) {
        int n = 237541;
        int count = 0;
        while (n > 0) {
            int d = n % 10;
            if (d == 2 || d == 3 || d == 5 || d == 7) count++;
            n /= 10;
        }
        System.out.println(count);
    }
}

public class G {
    public static void main(String[] args) {
        int x = 17;
        boolean p = true;
        **for (int i = 2; i * i <= x; i++) {
            if (x % i == 0) {
                p = false;
                break;
            }
        }
        System.out.println(p);**
    }
}

public class H {
    public static void main(String[] args) {
        int n = 155, sum = 0, x = n;
        while (x > 0) {
            int d = x % 10;
            sum += d d d;
            x /= 10;
        }
        System.out.println(sum == n);
    }
}

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Day 17

public class Main { public static void main(String[] args) { String s = "abc"; int sum = 0; for (char c : s.toCharArray()) { sum += c; } System.out.println(sum); }}

public class Main { public static void main(String[] args) { String s = "a1b2c3"; int sum = 0; for (int i = 1; i < s.length(); i += 2) { sum += s.charAt(i) - '0'; } System.out.println(sum); }}

public class Main { public static void main(String[] args) { int[] arr = {513, 46, 29}; int max = 0; for (int num : arr) { while (num > 0) { max = Math.max(max, num % 10); num /= 10; } } System.out.println(max); }}

public class Main { public static void main(String[] args) { String s = "6589"; char[] arr = s.toCharArray(); char temp = arr[0]; arr[0] = arr[arr.length - 1]; arr[arr.length - 1] = temp; System.out.println(new String(arr)); }}

public class Main { public static void main(String[] args) { int[] a = {10, 20, 30}; int sum = 0; for (int i = 1; i < a.length; i++) { sum += a[i] - a[i - 1]; } System.out.println(sum); }}

public class Main { public static void main(String[] args) { String[] s = {"abc", "de", "fghi"}; int count = 0; for (String str : s) { count += str.length(); } System.out.println(count); }}

public class Main { public static void main(String[] args) { int n = 237541; int count = 0; while (n > 0) { int d = n % 10; if (d == 2 || d == 3 || d == 5 || d == 7) count++; n /= 10; } System.out.println(count); }}

public class Task { public static void main(String[] args) { String x = "983452"; int a = -1, b = -1; for (char y : x.toCharArray()) { int z = y - '0'; if (z > a) { b = a; a = z; } else if (z > b && z != a) { b = z; } } System.out.println(b); }}

public class G { public static void main(String[] args) { int x = 17; boolean p = true; for (int i = 2; i * i <= x; i++) { if (x % i == 0) { p = false; break; } } System.out.println(p); }}

public class H { public static void main(String[] args) { int n = 155, sum = 0, x = n; while (x > 0) { int d = x % 10; sum += d d d; x /= 10; } System.out.println(sum == n); }}

Access all questions and much more by creating a free account

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Computers

public class Main {
public static void main(String[] args) {
String s = "abc";
int sum = 0;
for (char c : s.toCharArray()) {
sum += c;
}
System.out.println(sum);
}
}

public class Main {
public static void main(String[] args) {
String s = "a1b2c3";
int sum = 0;
for (int i = 1; i < s.length(); i += 2) {
sum += s.charAt(i) - '0';
}
System.out.println(sum);
}
}

public class Main {
public static void main(String[] args) {
int[] arr = {513, 46, 29};
int max = 0;
for (int num : arr) {
while (num > 0) {
max = Math.max(max, num % 10);
num /= 10;
}
}
System.out.println(max);
}
}

public class Main {
public static void main(String[] args) {
String s = "6589";
char[] arr = s.toCharArray();
char temp = arr[0];
arr[0] = arr[arr.length - 1];
arr[arr.length - 1] = temp;
System.out.println(new String(arr));
}
}

public class Main {
public static void main(String[] args) {
int[] a = {10, 20, 30};
int sum = 0;
for (int i = 1; i < a.length; i++) {
sum += a[i] - a[i - 1];
}
System.out.println(sum);
}
}

public class Main {
public static void main(String[] args) {
String[] s = {"abc", "de", "fghi"};
int count = 0;
for (String str : s) {
count += str.length();
}
System.out.println(count);
}
}

public class Main {
public static void main(String[] args) {
int n = 237541;
int count = 0;
while (n > 0) {
int d = n % 10;
if (d == 2 || d == 3 || d == 5 || d == 7) count++;
n /= 10;
}
System.out.println(count);
}
}

public class Task {
public static void main(String[] args) {
String x = "983452";
int a = -1, b = -1;
for (char y : x.toCharArray()) {
int z = y - '0';
if (z > a) {
b = a;
a = z;
} else if (z > b && z != a) {
b = z;
}
}
System.out.println(b);
}
}

public class G {
public static void main(String[] args) {
int x = 17;
boolean p = true;
**for (int i = 2; i * i <= x; i++) {
if (x % i == 0) {
p = false;
break;
}
}
System.out.println(p);**
}
}

public class H {
public static void main(String[] args) {
int n = 155, sum = 0, x = n;
while (x > 0) {
int d = x % 10;
sum += d d d;
x /= 10;
}
System.out.println(sum == n);
}
}