void () { plainField.<warning descr="'String.toUpperCase()' called without specifying a Locale using internationalized strings">toUpperCase</warning>(); String s = plainField.<warning descr="'String.toUpperCase()' called without specifying a Locale using internationalized strings">toUpperCase</warning>(); nonNlsField.toUpperCase(); String ss = nonNlsField.toUpperCase(); plainField.concat("1".<warning descr="'String.toUpperCase()' called without specifying a Locale using internationalized strings">toUpperCase</warning>()); nonNlsField.concat("1".toUpperCase()); }