28 lines
922 B
Java
28 lines
922 B
Java
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/*
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Below example shows how to convert string format of a number to number without calling Integer.parseInt() method. We can do this by converting each character into ascii format and form the number.
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*/
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public class MyStringToNumber
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{
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public static int convert_String_To_Number(String numStr)
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{
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char ch[] = numStr.toCharArray();
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int sum = 0;
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//get ascii value for zero
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int zeroAscii = (int)'0';
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for(char c:ch)
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{
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int tmpAscii = (int)c;
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sum = (sum*10)+(tmpAscii-zeroAscii);
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}
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return sum;
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}
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public static void main(String a[])
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{
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System.out.println("\"3256\" == "+convert_String_To_Number("3256"));
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System.out.println("\"76289\" == "+convert_String_To_Number("76289"));
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System.out.println("\"90087\" == "+convert_String_To_Number("90087"));
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}
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}
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