59 lines
2.0 KiB
Java
59 lines
2.0 KiB
Java
public class Lab1 {
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public static void main(String[] args) {
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// char c = 'a' + '1';
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char c = 97;
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// char c = '1';
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System.out.println(c);
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System.out.println((int) c);
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c++;
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System.out.println(c);
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System.out.println((int) c);
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System.out.println((double)'1'/'3');
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// System.out.println( (double) 0 / 0 );
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// System.out.println( Math.sqrt(-1) );
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double s = 0;
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/*for (int i = 1; i <= 3; i++) { // 1) <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20> i = 1, 2) <20><><EFBFBD><EFBFBD> <20> <= 3, 3) <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 䳿 <20> <20><> <20><><EFBFBD><EFBFBD><EFBFBD>,
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System.out.println(i); // 4) <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20> <20><> 1, 5) <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD> 2
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// s = s + i;
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s += i;
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}*/
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/*int[] array = new int[2];
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for (int i = 0; i < array.length; i++) {
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}*/
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final int A = -3;
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final int B = 0;
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final int N = 2;
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final int M = 2;
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final int C = 1;
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// boolean wasDivisionByZero = false;
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// todo char
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// todo[clear code] think about avoiding brackets
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if ((A <= -C && -C <= N) || (B <= 0 && 0 <= M)) {
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System.out.println("Division by zero!");
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return;
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}
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/*myLabel:*/for (int i = A; i <= N /*&& !wasDivisionByZero*/; i++) {
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/*if (i + C == 0) { // todo optimize
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System.out.println("Division by zero!");
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wasDivisionByZero = true;
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break; //todo flag vs return;
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}*/
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for (int j = B; j <= M; j++) {
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/*if (j == 0) {
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System.out.println("Division by zero!");
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return;
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// wasDivisionByZero = true;
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// break myLabel;
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}*/
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s += (double) (i / j) / (i + C);
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}
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}
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// if (!wasDivisionByZero) {
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System.out.println("s = " + s);
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// }
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}
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}
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