find -name '*.log' -exec grep -H 'java' {} \;
find -name '*.log' | grep 'java'
find -name '*.log' -print0 | xargs -0 -n5 -t grep 'java'
find -name '*.log' | grep 'java'
find -name '*.log' -print0 | xargs -0 -n5 -t grep 'java'