java - Spinner selection not passing into "if" statement -


इस सवाल का पहले से ही एक उत्तर है: < / P>

  • 23 उत्तर
  • 20 उत्तरों

    मेरे पास निम्न कोड है: 

      सार्वजनिक शून्य कन्वर्ट () {स्ट्रिंग वैल = (स्ट्रिंग) स्पिनर 1 .getItemAtPosition (spinner1.getSelectedItemPosition ()); Println (spinner1.getItemAtPosition (spinner1.getSelectedItemPosition ())); Println (वैल); यदि (वैल == "मिमी" || वैल == "सेमी" || वैल == "मी" = val == "किमी") {System.out.println ("यदि बयान में मिला है"); initiateLengthConvert (); } System.out.println ("कभी नहीं मिला"); }   
     अब जब प्रिंट्स का पहला प्रिंट प्रिंट होता है, अगर मैंने "मिमी" चुना है, तो यह प्रिंट करता है:  
      मिमी मिमी कभी नहीं मिला < / Code>  
     यह क्यों नहीं बयान करता है? "वाल" और संभावनाएं पूरी होती हैं, इसलिए यह मुझे कोई मायने नहीं रखता।   
     
     
     उपयोग करें  .equals  से  ==  की जगह स्ट्रिंग्स की तुलना करें।  
      if (val.equals ("mm") || val.equals ( "सेमी") = val.equals ("m") || val.equals ("km"))   
     पढ़ें  
      
     इसके बजाय  system.out.println ("...");  उपयोग    के बजाय

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